Numbers whose abundance is (+-1) times a prime.
3, 9, 10, 18, 20, 25, 36, 49, 50, 81, 100, 104, 121, 136, 196, 225, 289, 324, 338, 392
4 seqfan posts
Tue Apr 13 22:58:35 CEST 2010 [seqfan] Re primes with negative value
Sat Mar 20 13:25:30 CET 2010 [seqfan] Re: A174397 and primes with negative value.
Sat Mar 20 13:03:39 CET 2010 [seqfan] Re: A174397 and primes with negative value.
Sat Mar 20 12:58:12 CET 2010 [seqfan] Re: A174397 and primes with negative value.
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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