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A097112
Expansion of (1+4x-6x^2-36x^3)/(1-19x^2+90x^4).
+0
1
1, 4, 13, 40, 157, 400, 1813, 4000, 20317, 40000, 222853, 400000, 2405677, 4000000, 25651093, 40000000, 270859837, 400000000, 2837738533, 4000000000, 29539646797, 40000000000, 305856821173, 400000000000, 3152711390557
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.
AT&T Labs Research
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