A051399 a(n) = (n-1)!*a(n-1)+1.

0, 1, 2, 5, 31, 745, 89401, 64368721, 324418353841, 13080548026869121, 4746669267990266628481, 17224713439683079541431852801, 687555441429141549439426981886956801, 329340156533265088807964627407023326809881601

Offset

0,3

Links

Harvey P. Dale, Table of n, a(n) for n = 0..44

Mathematica

nxt[{n_, a_}]:={n+1, n!*a+1}; NestList[nxt, {0, 0}, 15][[All, 2]] (* Harvey P. Dale, May 29 2017 *)

Crossrefs

Sequence in context: A303289 A051048 A163852 * A080582 A064845 A295391

Adjacent sequences: A051396 A051397 A051398 * A051400 A051401 A051402

Keyword

nonn

Author

Aleksandar Petojevic

Status

approved