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Search: id:A002071
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| A002071 |
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Number of pairs of consecutive integers x, x+1 such that all prime factors of both x and x+1 are at most the n-th prime.
(Formerly M3386 N1366)
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+0
9
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| 1, 4, 10, 23, 40, 68, 108, 167, 241, 345, 482, 653, 869, 1153, 1502
(list; graph; listen)
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