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A157024
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a(0)=1, a(n)=(3n-1)3n(3n+1)/2 for n>0
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1
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1, 12, 105, 360, 858, 1680, 2907, 4620, 6900, 9828, 13485, 17952, 23310, 29640, 37023, 45540, 55272, 66300, 78705, 92568, 107970, 124992, 143715, 164220, 186588, 210900, 237237, 265680, 296310, 329208, 364455, 402132, 442320, 485100, 530553
(list; graph; refs; listen; history; internal format)
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