A125410 - OEIS

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A125410

Number of base 22 circular n-digit numbers with adjacent digits differing by 6 or less.

1, 22, 244, 2248, 24016, 261752, 2919034, 32990658, 376556856, 4328386504, 50008371494, 579919916598, 6743056184086, 78556922876506, 916464308940970, 10702363917790958, 125070290398105880, 1462347648998782744 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,2`
	COMMENTS	`[Empirical] a(base,n)=a(base-1,n)+F(6) for base>=6.int(n/2)+1 and F(d) is the largest coefficient in (1+x+...+x^(2d))^n`
	LINKS	`Table of n, a(n) for n=0..17.`
	PROG	(S/R) stvar $[N]:(0..M-1) init $[]:=0 asgn $[]->{*} kill +[i in 0..N-1](($[i]`-$[(i+1)mod N]`>6)+($[(i+1)mod N]`-$[i]`>6))
	CROSSREFS	`Sequence in context: A249091 A041930 A249092 * A200206 A252819 A109251` `Adjacent sequences: A125407 A125408 A125409 * A125411 A125412 A125413`
	KEYWORD	`nonn,base`
	AUTHOR	`R. H. Hardin, Dec 28 2006`
	STATUS	`approved`

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Last modified February 26 20:56 EST 2023. Contains 360679 sequences. (Running on oeis4.)