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A004163
Pentagonal numbers written backwards.
+0
1
1, 5, 21, 22, 53, 15, 7, 29, 711, 541, 671, 12, 742, 782, 33, 673, 524, 774, 235, 95, 156, 517, 287, 258, 529, 1001, 801, 2611, 7421, 5331, 6241, 251, 7161, 7171, 281, 6291, 5302, 7412, 2622, 832, 1052, 5262
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Maintained by
N. J. A. Sloane
(
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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