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A055607 a(2n+1) = n^2 - 1 + A002620(n), a(2n) = a(2n-1) + n. +0
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0, 0, 2, 4, 7, 10, 14, 19, 24, 30, 36, 44, 51, 60, 68, 79, 88, 100, 110, 124, 135, 150, 162, 179, 192, 210, 224, 244, 259, 280, 296, 319, 336, 360, 378, 404, 423, 450, 470, 499, 520, 550, 572, 604, 627, 660, 684, 719, 744, 780, 806, 844, 871, 910, 938, 979, 1008 (list; graph; listen)
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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.


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