A294003 a(n) = n! * [x^n] exp(((1+x)^(n+1) - 1)/(n+1)).

1, 1, 3, 16, 145, 2046, 40831, 1078288, 36229761, 1508861980, 76260702331, 4591005777216, 323906453871793, 26419909067594056, 2463658914613015575, 260204512488337862656, 30878562368653933102081, 4088281211853327516484368, 600094288103991706472584051

Offset

0,3

Links

Seiichi Manyama, Table of n, a(n) for n = 0..281

Crossrefs

Main diagonal of A293991.

Sequence in context: A321239 A349969 A109398 * A006058 A121588 A331538

Adjacent sequences: A294000 A294001 A294002 * A294004 A294005 A294006

Keyword

nonn

Author

Seiichi Manyama, Oct 21 2017

Status

approved