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A001907
Expansion of e^(-x)/(1-4x).
(Formerly M3112 N1261)
+0
2
1, 3, 25, 299, 4785, 95699, 2296777, 64309755, 2057912161, 74084837795, 2963393511801, 130389314519243, 6258687096923665, 325451729040030579, 18225296826241712425, 1093517809574502745499, 69985139812768175711937
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 4 15:11 EST 2009. Contains 170347 sequences.
AT&T Labs Research
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