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A000167
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Nearest integer to modified Bessel function K_n(2).
(Formerly M1938 N0767)
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2
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0, 0, 0, 1, 2, 9, 49, 306, 2188, 17810, 162482, 1642635, 18231462, 220420179, 2883693795, 40592133316, 611765693528, 9828843229764, 167702100599524, 3028466654021205, 57708568527002410, 1157199837194069405
(list;
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OFFSET
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0,5
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REFERENCES
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M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards Applied Math. Series 55, 1964 (and various reprintings), p. 429.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
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Alois P. Heinz, Table of n, a(n) for n = 0..200
M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards, Applied Math. Series 55, Tenth Printing, 1972 [alternative scanned copy].
Index entries for sequences related to Bessel functions or polynomials
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MAPLE
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Digits := 60: A000167 := proc(n) round( evalf ( BesselK( n, 2 ) )); end;
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MATHEMATICA
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Table[BesselK[n, 2] // Round, {n, 0, 21}] (* Jean-François Alcover, Mar 12 2014 *)
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PROG
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(PARI) a(n)=round(besselk(n, 2)) \\ Charles R Greathouse IV, Jul 29 2016
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CROSSREFS
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Sequence in context: A295944 A356632 A224140 * A345750 A241785 A357294
Adjacent sequences: A000164 A000165 A000166 * A000168 A000169 A000170
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane
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EXTENSIONS
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More terms from Herman P. Robinson
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STATUS
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approved
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