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A116394
Expansion of 1/((1+x)*sqrt(1-2x-3x^2)-x).
+0
2
1, 1, 4, 11, 33, 100, 305, 937, 2890, 8943, 27741, 86216, 268355, 836297, 2608818, 8144875, 25446229, 79545148, 248780979, 778400001, 2436380402, 7628211951, 23890103153, 74836927720, 234478937321, 734802907841, 2303073316042
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Maintained by
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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.
AT&T Labs Research
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