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Search: id:A145919
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A145919 A000332(n) = a(n)(3*a(n) - 1)/2. +0
5
0, 0, 0, 0, 1, 2, -3, 5, 7, -9, 12, 15, -18, 22, 26, -30, 35, 40, -45, 51, 57, -63, 70, 77, -84, 92, 100, -108, 117, 126, -135, 145, 155, -165, 176, 187, -198, 210, 222, -234, 247, 260, -273, 287, 301, -315, 330, 345, -360, 376, 392, -408, 425, 442, -459, 477 (list; graph; listen)
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Last modified December 5 17:20 EST 2009. Contains 170348 sequences.


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