Integers which are half of their arithmetic derivative.
0, 16, 108, 729, 12500, 84375, 3294172, 9765625, 22235661, 2573571875
2 seqfan posts
Mon Sep 28 23:18:33 CEST 2009 [seqfan] Re: Egyptian fractions over the primes A165558
Mon Sep 28 20:41:35 CEST 2009 [seqfan] Egyptian fractions over the primes A165558
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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