cp's OEIS Frontend

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.

A105839 Numbers n such that n^2 = 19*m^2 + 19*m + 1.

Table of values

n a(n)
1 1
2 37
3 2927
4 68171
5 183769
6 4280053
7 338355383
8 7880431259
9 21243328861
10 494765566657
11 39113205561107
12 910962092609711
13 2455686329490109
14 57193909970135833
15 4521408336114491603
16 105305395973616940919
17 283872428295154291321
18 6611501604232996456477

List of values

[1, 37, 2927, 68171, 183769, 4280053, 338355383, 7880431259, 21243328861, 494765566657, 39113205561107, 910962092609711, 2455686329490109, 57193909970135833, 4521408336114491603, 105305395973616940919, 283872428295154291321, 6611501604232996456477]

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

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