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A007690 Number of partitions of n in which no part occurs just once.
(Formerly M0167)
+0
16
1, 0, 1, 1, 2, 1, 4, 2, 6, 5, 9, 7, 16, 11, 22, 20, 33, 28, 51, 42, 71, 66, 100, 92, 147, 131, 199, 193, 275, 263, 385, 364, 516, 511, 694, 686, 946, 925, 1246, 1260, 1650, 1663, 2194, 2202, 2857, 2928, 3721, 3813, 4866, 4967, 6257, 6487, 8051, 8342, 10369 (list; graph; listen)
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Last modified December 9 14:43 EST 2009. Contains 170430 sequences.


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