A071937 Reverse(n)!.

1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 1, 39916800, 51090942171709440000, 8222838654177922817725562880000000, 33452526613163807108170062053440751665152000000000

Offset

1,2

Links

Table of n, a(n) for n=1..14.

Example

a(12) = reverse(12)! = 21! = 51090942171709440000.

Mathematica

Table[FromDigits[Reverse[IntegerDigits[n]]]!, {n, 1, 15}]

Crossrefs

Sequence in context: A230231 A066459 A269221 * A061602 A182287 A248778

Adjacent sequences: A071934 A071935 A071936 * A071938 A071939 A071940

Keyword

base,nonn

Author

Joseph L. Pe, Jun 14 2002

Status

approved