Annual appeal: Please make a donation to keep the OEIS running! Over 6000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".
0,5
Vaclav Kotesovec, Table of n, a(n) for n = 0..39
A293236(n) / ((-1)^n * n!) ~ 1 - 1/n^2 + 3/n^4 + 12/n^5 + 35/n^6 + ...
Cf. A293236.
Sequence in context: A073372 A026573 A225075 * A097339 A260006 A232899
Adjacent sequences: A293264 A293265 A293266 * A293268 A293269 A293270
sign
Vaclav Kotesovec, Oct 04 2017
approved