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A021404
Expansion of 1/((1-x)(1-3x)(1-4x)(1-12x)).
+0
1
1, 20, 285, 3640, 44681, 540540, 6505045, 78138080, 937976961, 11257033060, 135089723405, 1621098253320, 19453266126841, 233439544261580, 2801275941271365, 33615316957309360, 403383826200494321
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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 9 14:43 EST 2009. Contains 170430 sequences.
AT&T Labs Research
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