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A003230
Expansion of 1/((1-x)*(1-2x)*(1-x-2x^3)).
(Formerly M3417)
+0
1
1, 4, 11, 28, 67, 152, 335, 724, 1539, 3232, 6727, 13900, 28555, 58392, 118959, 241604, 489459, 989520, 1997015, 4024508, 8100699, 16289032, 32726655, 65705268, 131837763, 264399936, 530028199, 1062139180, 2127809963
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 17 19:39 EST 2009. Contains 170821 sequences.
AT&T Labs Research
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