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A111695
a(n) = C(n,a)*C(n,b)*C(n,c)... where n = abc... are the decimal digits of n.
+0
2
1, 1, 1, 1, 1, 1, 1, 1, 1, 10, 121, 792, 3718, 14014, 45045, 128128, 330616, 787644, 1755182, 190, 4410, 53361, 448063, 2932776, 15939000, 74824750, 311698530, 1174863690, 4066092030, 4060, 139345, 2460160, 29767936, 277513984
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 18 21:37 EST 2009. Contains 171024 sequences.
AT&T Labs Research
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