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Search: id:A131346
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A131346 a(1)=1. a(n) = a(n-1) + (number of the terms, from among terms a(1) through a(n-1), which are coprime to sum{k=1 to n-1} a(k)). +0
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1, 2, 4, 7, 8, 10, 12, 14, 16, 18, 20, 21, 30, 43, 47, 62, 70, 80, 89, 95, 115, 123, 145, 152, 162, 172, 179, 206, 234, 263, 270, 276, 286, 298, 307, 333, 341, 376, 404, 439, 449, 489, 507, 537, 557, 602, 635, 655, 690, 725, 749, 787, 812, 838, 863, 905, 920, 941 (list; graph; listen)
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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.


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