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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.

A275793 The x members of the positive proper solutions (x = x1(n), y = y1(n)) of the first class for the Pell equation x^2 - 2*y^2 = +7^2.

Table of values

n a(n)
0 9
1 43
2 249
3 1451
4 8457
5 49291
6 287289
7 1674443
8 9759369
9 56881771
10 331531257
11 1932305771
12 11262303369
13 65641514443
14 382586783289
15 2229879185291
16 12996688328457
17 75750250785451
18 441504816384249
19 2573278647520043
20 14998167068736009
21 87415723764896011

List of values

[9, 43, 249, 1451, 8457, 49291, 287289, 1674443, 9759369, 56881771, 331531257, 1932305771, 11262303369, 65641514443, 382586783289, 2229879185291, 12996688328457, 75750250785451, 441504816384249, 2573278647520043, 14998167068736009, 87415723764896011]

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

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