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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.

A309284 a(n) is the smallest odd composite k such that prime(n)^((k-1)/2) == -1 (mod k) and b^((k-1)/2) == 1 (mod k) for every natural b < prime(n).

Table of values

n a(n)
1 3277
2 5173601
3 2329584217
4 188985961
5 5113747913401
6 30990302851201
7 2528509579568281
8 5189206896360728641
9 12155831039329417441

List of values

[3277, 5173601, 2329584217, 188985961, 5113747913401, 30990302851201, 2528509579568281, 5189206896360728641, 12155831039329417441]

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

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