References to A075075

a(1) = 1, a(2) = 2 and then the smallest number not occurring earlier such that every term divides the product of its neighbors: a(n-1)*a(n+1)/a(n) is an integer.
1, 2, 4, 6, 3, 5, 10, 8, 12, 9, 15, 20, 16, 24, 18, 21, 7, 11, 22, 14, 28, 26, 13, 17, 34, 30


3 seqfan posts

Sat May 16 19:03:33 CEST 2009    [seqfan] Re: Ratio-Related Sequence A160256
Thu May 7 02:41:31 CEST 2009    [seqfan] Re: Ratio-Related Sequence: Permutation Of +Integers?
Wed May 6 23:48:13 CEST 2009    [seqfan] Ratio-Related Sequence: Permutation Of +Integers?

Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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