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A048915
9-gonal pentagonal numbers.
+0
3
1, 651, 180868051, 95317119801, 26472137730696901, 13950766352135999751, 3874504486629442861646551, 2041856512426320950146560501, 567078683619272811125915867157001
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.
AT&T Labs Research
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