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A028992 Even 9-gonal (or enneagonal) numbers. +0
2
24, 46, 154, 204, 396, 474, 750, 856, 1216, 1350, 1794, 1956, 2484, 2674, 3286, 3504, 4200, 4446, 5226, 5500, 6364, 6666, 7614, 7944, 8976, 9334, 10450, 10836, 12036, 12450, 13734, 14176, 15544, 16014, 17466, 17964, 19500, 20026, 21646 (list; graph; listen)
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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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