A083293 e=sum(n>=0, a(n)/2^n/n!).

2, 1, 1, 4, 3, 8, 2, 5, 15, 10, 5, 10, 19, 4, 20, 23, 17, 3, 5, 12, 0, 33, 23, 22, 35, 3, 20, 12, 15, 22, 51, 9, 29, 19, 7, 17, 56, 37, 31, 76, 24, 47, 30, 59, 59, 66, 34, 18, 12, 5, 10, 69, 62, 21, 65, 55, 37, 102, 79, 36, 91, 47, 2, 123, 46, 117, 10, 49, 28, 4, 57, 31, 38, 22, 99

Offset

0,1

Links

Table of n, a(n) for n=0..74.

Prog

(PARI) a(n)=if(n<1, 2, floor(n!*2^n*exp(1))-2*n*floor((n-1)!*2^(n-1)*exp(1)))

Crossrefs

Sequence in context: A174455 A245596 A326611 * A350912 A055370 A350021

Adjacent sequences: A083290 A083291 A083292 * A083294 A083295 A083296

Keyword

nonn

Author

Benoit Cloitre, Jun 03 2003

Status

approved