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A126345
Main diagonal of triangle A126343.
1
1, 2, 12, 152, 2430, 45222, 991571, 26447976, 820357488, 28305482450, 1085325479073, 46235590117092, 2158387195914560, 109266107109056562, 5971923549022596600
OFFSET
1,2
EXAMPLE
a(n) appears to be divisible by n:
a(n)/n = [1,1,4,38,486,7537,141653,3305997,91150832,2830548245,...].
CROSSREFS
Cf. A126343.
Sequence in context: A279011 A279183 A126777 * A229558 A362694 A208582
KEYWORD
more,nonn
AUTHOR
Paul D. Hanna, Dec 25 2006
EXTENSIONS
More terms from Paul D. Hanna, Jan 03 2007
STATUS
approved