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A004256
n^2*(n+1)*(n+2)^2/6.
+0
1
0, 3, 32, 150, 480, 1225, 2688, 5292, 9600, 16335, 26400, 40898, 61152, 88725, 125440, 173400, 235008, 312987, 410400, 530670, 677600, 855393, 1068672, 1322500, 1622400, 1974375, 2384928, 2861082
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.
AT&T Labs Research
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