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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.

A215656 Solution R of (2*u)^2 = R^2 - p*S^2, where p is the n-th prime of the form 4k+1.

Table of values

n a(n)
1 147
2 20522387091091
3 89544370675021535714607142
4 8801866915656397716021519532258687362772409962179980790374047406788427

List of values

[147, 20522387091091, 89544370675021535714607142, 8801866915656397716021519532258687362772409962179980790374047406788427]

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

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