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Search: id:A055999
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A055999 a(n)=n*(n+7)/2. +0
10
0, 4, 9, 15, 22, 30, 39, 49, 60, 72, 85, 99, 114, 130, 147, 165, 184, 204, 225, 247, 270, 294, 319, 345, 372, 400, 429, 459, 490, 522, 555, 589, 624, 660, 697, 735, 774, 814, 855, 897, 940, 984, 1029, 1075, 1122, 1170, 1219, 1269, 1320, 1372, 1425, 1479 (list; graph; listen)
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Last modified December 9 18:50 EST 2009. Contains 170568 sequences.


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