A030844 Floor( exp(13/21)*n! ).

1, 3, 11, 44, 222, 1337, 9360, 74880, 673925, 6739256, 74131823, 889581881, 11564564464, 161903902509, 2428558537649, 38856936602385, 660567922240547, 11890222600329856, 225914229406267264, 4518284588125345296

Offset

1,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..200

Mathematica

Floor[Exp[13/21]Range[20]!] (* Harvey P. Dale, Jun 16 2014 *)

Crossrefs

Sequence in context: A030815 A030880 A030926 * A030959 A073590 A144637

Adjacent sequences: A030841 A030842 A030843 * A030845 A030846 A030847

Keyword

nonn

Author

Simon Plouffe, Dec 11 1999

Status

approved