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A087946
Expansion of (1-3x+x^2)/((1-2x)(1-4x+x^2)).
+0
2
1, 3, 10, 35, 126, 461, 1702, 6315, 23494, 87533, 326382, 1217483, 4542526, 16950573, 63255670, 236063915, 880983606, 3287837741, 12270301822, 45793238475, 170902389934, 637815796973, 2380359749382, 8883621103403
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.
AT&T Labs Research
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