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A025986
Expansion of 1/((1-2x)(1-5x)(1-6x)(1-7x)).
+0
1
1, 20, 257, 2704, 25389, 221676, 1841449, 14758568, 115171397, 880623172, 6627177921, 49248518592, 362296167325, 2643446894108, 19158543110873, 138087153497176, 990728497913973, 7081081591668084
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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 10 00:48 EST 2009. Contains 170565 sequences.
AT&T Labs Research
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