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A152476
Inverse binomial transform of A005329.
2
1, 0, 2, 14, 246, 8374, 560950, 74018118, 19314751526, 10004153405174, 10313935405968726, 21205201672407811750, 87047013055579706265862, 713958711370466820900197334, 11705348549229324549016264190006
OFFSET
0,3
LINKS
FORMULA
a(n) ~ c * 2^(n*(n+1)/2), where c = A048651 = 0.2887880950866... . - Vaclav Kotesovec, Nov 21 2015
MATHEMATICA
Table[Sum[(-1)^(n+k) Binomial[n, k] QFactorial[k, 2], {k, 0, n}], {n, 0, 15}] (* Vladimir Reshetnikov, Nov 20 2015 *)
CROSSREFS
Cf. A075272.
Sequence in context: A053855 A219344 A343441 * A373870 A070813 A156214
KEYWORD
easy,nonn
AUTHOR
Vladeta Jovovic, Dec 05 2008
STATUS
approved