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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.

A238753 Squarefree integers D such that Q(sqrt(D)) contains a non-constant arithmetic progression of 5 squares.

Table of values

n a(n)
1 409
2 4688329
3 250545884330641
4 199554894091303668073201
5 231574628370557219024862837633967849
6 30240048139343876249762998173442832362876517638009
7 330823513952828243573122480536077533156064000139119724642295861921

List of values

[409, 4688329, 250545884330641, 199554894091303668073201, 231574628370557219024862837633967849, 30240048139343876249762998173442832362876517638009, 330823513952828243573122480536077533156064000139119724642295861921]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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