A030856 [ exp(9/20)*n! ].

1, 3, 9, 37, 188, 1129, 7904, 63234, 569109, 5691091, 62602003, 751224046, 9765912599, 136722776399, 2050841645987, 32813466335800, 557828927708615, 10040920698755070, 190777493276346341, 3815549865526926829

Offset

1,2

Links

Table of n, a(n) for n=1..20.

Crossrefs

Sequence in context: A030819 A030904 A030955 * A030943 A030803 A300170

Adjacent sequences: A030853 A030854 A030855 * A030857 A030858 A030859

Keyword

nonn

Author

Simon Plouffe

Status

approved