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A030816
a(n) = floor(exp(13/23)*n!).
0
1, 3, 10, 42, 211, 1267, 8869, 70956, 638607, 6386072, 70246794, 842961535, 10958499963, 153418999484, 2301284992271, 36820559876346, 625949517897888, 11267091322161985, 214074735121077721, 4281494702421554427, 89911388750852642974, 1978050552518758145446
OFFSET
1,2
MATHEMATICA
Floor[Exp[13/23] Range[20]!] (* Jinyuan Wang, Apr 08 2020 *)
CROSSREFS
Sequence in context: A007552 A125274 A030903 * A030964 A263823 A030867
KEYWORD
nonn,easy
AUTHOR
STATUS
approved