In the prime factorization of n, increment odd powers and decrement even powers (multiplicative and self-inverse).
1, 4, 9, 2, 25, 36, 49, 16, 3, 100, 121, 18, 169, 196, 225, 8, 289, 12, 361, 50, 441, 484
4 seqfan posts
Thu Jun 24 15:22:13 CEST 2010 [seqfan] Re: 4-12-28-60
Wed Jun 23 22:36:42 CEST 2010 [seqfan] Re: 4-12-28-60
Wed Apr 8 00:55:37 CEST 2009 [seqfan] Re: Symmetric Relations and Self-Inverse Permutations
Tue Apr 7 10:23:38 CEST 2009 [seqfan] Symmetric Relations and Self-Inverse Permutations
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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