Numbers n for which the absolute value of the abundance of n^2 is a prime number.
3, 5, 6, 7, 9, 10, 11, 14, 15, 17, 18, 22, 24, 26, 28, 29, 30, 31, 33, 34, 35, 44, 47, 50
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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