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A005993 G.f.: (1+x^2)/((1-x)^2*(1-x^2)^2).
(Formerly M1576)
+0
17
1, 2, 6, 10, 19, 28, 44, 60, 85, 110, 146, 182, 231, 280, 344, 408, 489, 570, 670, 770, 891, 1012, 1156, 1300, 1469, 1638, 1834, 2030, 2255, 2480, 2736, 2992, 3281, 3570, 3894, 4218, 4579, 4940, 5340, 5740, 6181, 6622, 7106, 7590, 8119 (list; graph; listen)
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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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