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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.

A218710 a(n) is smallest number such that a(n)^2 + 1 is divisible by 17^n.

Table of values

n a(n)
0 0
1 4
2 38
3 1985
4 27493
5 390112
6 390112
7 96940388
8 3379649772
9 24306922095
10 450044583893
11 5597937117454
12 28673959190179
13 3524407382568745
14 13428985415474682
15 13428985415474682
16 5711417117604156904
17 91610966633729580058
18 6709533061724423693474

List of values

[0, 4, 38, 1985, 27493, 390112, 390112, 96940388, 3379649772, 24306922095, 450044583893, 5597937117454, 28673959190179, 3524407382568745, 13428985415474682, 13428985415474682, 5711417117604156904, 91610966633729580058, 6709533061724423693474]

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

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