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A083293 e=sum(n>=0, a(n)/2^n/n!). 0
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 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
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
KEYWORD
nonn
AUTHOR
Benoit Cloitre, Jun 03 2003
STATUS
approved

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Last modified April 12 22:48 EDT 2024. Contains 371639 sequences. (Running on oeis4.)