Appending a digit to n^2 gives another perfect square.
1, 2, 4, 5, 6, 12, 18, 43, 80, 154, 191, 228, 456, 684, 1633, 3038, 5848, 7253, 8658
5 seqfan posts
Sun Jan 15 21:52:03 CET 2012 [seqfan] Re: Richard Guy's request for several new sequences
Sun Jan 15 21:39:50 CET 2012 [seqfan] Richard Guy's request for several new sequences (amended)
Sun Jan 15 21:20:05 CET 2012 [seqfan] Richard Guy's request for several new sequences
Sat Dec 24 00:26:19 CET 2011 [seqfan] Re: Season's present to OEIS
Fri Dec 23 23:55:35 CET 2011 [seqfan] Season's present to OEIS
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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