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A144339
Second column (m=2) of triangle S2hat(-4) = A144285.
2
1, 4, 52, 648, 12888, 286272, 8182944, 266366016, 10191545280, 437925035520, 21158411936256, 1127285473434624, 65884689657464832, 4181915450891501568, 286704379021188538368, 21099339893878107144192, 1659252422924430692327424, 138827012602215571388891136
OFFSET
0,2
FORMULA
a(n) = A144285(n+2,2), n>=0.
CROSSREFS
Cf. A144285, A008546 (m=1 column), A144340 (m=3 column).
Sequence in context: A071953 A247746 A221727 * A155661 A198281 A220933
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Oct 09 2008
STATUS
approved