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A069987 Square-free numbers of form n^2 + 1. +0
4
2, 5, 10, 17, 26, 37, 65, 82, 101, 122, 145, 170, 197, 226, 257, 290, 362, 401, 442, 485, 530, 577, 626, 677, 730, 785, 842, 901, 962, 1090, 1157, 1226, 1297, 1370, 1522, 1601, 1765, 1937, 2026, 2117, 2210, 2305, 2402, 2501, 2602, 2705, 2810, 2917, 3026 (list; graph; listen)
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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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