References to A071786

In prime factorization of n replace each prime by its reversal (in decimal notation).
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 31, 14, 15, 16, 71, 18, 91, 20, 21, 22, 32, 24, 25, 62


1 seqfan posts

Tue Jun 23 19:48:20 CEST 2009    [seqfan] A151764 -- circular definition?

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