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Search: id:A045943
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A045943 Triangular matchstick numbers: 3n(n+1)/2. +0
39
0, 3, 9, 18, 30, 45, 63, 84, 108, 135, 165, 198, 234, 273, 315, 360, 408, 459, 513, 570, 630, 693, 759, 828, 900, 975, 1053, 1134, 1218, 1305, 1395, 1488, 1584, 1683, 1785, 1890, 1998, 2109, 2223, 2340, 2460, 2583, 2709, 2838, 2970, 3105, 3243, 3384, 3528 (list; graph; listen)
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Last modified December 3 22:15 EST 2009. Contains 170310 sequences.


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