**Sum of any three adjacent digits of n^2 is a square.**

*10, 11, 12, 13, 14, 15, 18, 20, 21, 22, 23, 30, 31, 90, 100, 200, 263, 265, 300, 900*

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

*14 seqfan posts*

*Sat Mar 20 14:37:50 CET 2010* [seqfan] Re: A174397 and primes with negative value.

*Sat Mar 20 14:16:22 CET 2010* [seqfan] Re: A174397 and 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.

*Sat Mar 20 05:21:21 CET 2010* [seqfan] Re: A174397 and primes with negative value.

*Fri Mar 19 23:42:38 CET 2010* [seqfan] Re: A174397 and primes with negative value.

*Fri Mar 19 22:27:13 CET 2010* [seqfan] Re: A174397 and primes with negative value.

*Fri Mar 19 21:45:23 CET 2010* [seqfan] Re: A174397 and primes with negative value.

*Fri Mar 19 21:31:00 CET 2010* [seqfan] Re: A174397 and primes with negative value.

*Fri Mar 19 20:09:23 CET 2010* [seqfan] negative prime numbers

*Fri Mar 19 19:13:18 CET 2010* [seqfan] Re: A174397 and primes with negative value.

*Fri Mar 19 18:27:05 CET 2010* [seqfan] Re: A174397 and primes with negative value.

*Fri Mar 19 18:16:30 CET 2010* [seqfan] 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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