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A046178
Indices of pentagonal numbers which are also hexagonal.
+0
3
1, 165, 31977, 6203341, 1203416145, 233456528757, 45289363162681, 8785902997031325, 1704419892060914337, 330648673156820350021, 64144138172531086989705
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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 25 20:09 EST 2009. Contains 167514 sequences.
AT&T Labs Research
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