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A137742
a(n)=(n-1)(n+4)(n+6)/6 for n>1, a(1)=1.
+0
4
1, 8, 21, 40, 66, 100, 143, 196, 260, 336, 425, 528, 646, 780, 931, 1100, 1288, 1496, 1725, 1976, 2250, 2548, 2871, 3220
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Maintained by
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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.
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