A163524 The pairs (x,y) such that x^2 = 1+factorial(y).
5, 4, 11, 5, 71, 7
Offset: 1
Examples
71^2 = 7!+1, which introduces (71,7) into the sequence.
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Reference to main sequence added by R. J. Mathar, Aug 02 2009
This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
71^2 = 7!+1, which introduces (71,7) into the sequence.
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