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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.

A218715 a(n) is smallest number such that a(n)^2 + 1 is divisible by 53^n.

Table of values

n a(n)
0 0
1 23
2 500
3 27590
4 623098
5 23048345
6 5041394261
7 416081467190
8 11331029931180
9 50928660480181
10 6548598523124085
11 2441875986594058601
12 76594163421571591377
13 7783548304686046882879
14 252583670951378815076851
15 4392422457122810120236558
16 1165802007767335105471573954

List of values

[0, 23, 500, 27590, 623098, 23048345, 5041394261, 416081467190, 11331029931180, 50928660480181, 6548598523124085, 2441875986594058601, 76594163421571591377, 7783548304686046882879, 252583670951378815076851, 4392422457122810120236558, 1165802007767335105471573954]

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

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