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A260879
Coefficients in asymptotic expansion of sequence A229741.
2
1, 2, 8, 44, 288, 2148, 17816, 161852, 1594280, 16911940, 192361656, 2340735564, 30460211400, 424505682772, 6355333371032, 102649319717020, 1797042119668552, 34229646342692388, 710605915340085240, 16058830502126670956, 393461778913536741064
OFFSET
0,2
LINKS
FORMULA
Conjecture: a(k) ~ (k-1)! / (log(2))^k.
EXAMPLE
A229741(n) / n! ~ 1 + 2/n + 8/n^2 + 44/n^3 + 288/n^4 + 2148/n^5 + ...
CROSSREFS
Cf. A229741.
Sequence in context: A201374 A120928 A286425 * A179489 A240165 A357832
KEYWORD
nonn
AUTHOR
Vaclav Kotesovec, Aug 02 2015
STATUS
approved