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A025966
Expansion of 1/((1-2x)(1-4x)(1-6x)(1-8x)).
+0
4
1, 20, 260, 2800, 27216, 248640, 2182720, 18656000, 156544256, 1296655360, 10641146880, 86744985600, 703688298496, 5688011079680, 45855653642240, 368956766617600, 2964331947687936, 23790756829593600
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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 16 13:01 EST 2009. Contains 170825 sequences.
AT&T Labs Research
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