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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.

A159809 Positive numbers y such that y^2 is of the form x^2+(x+223)^2 with integer x.

Table of values

n a(n)
1 197
2 223
3 257
4 925
5 1115
6 1345
7 5353
8 6467
9 7813
10 31193
11 37687
12 45533
13 181805
14 219655
15 265385
16 1059637
17 1280243
18 1546777
19 6176017
20 7461803
21 9015277
22 35996465
23 43490575
24 52544885
25 209802773
26 253481647
27 306254033
28 1222820173
29 1477399307

List of values

[197, 223, 257, 925, 1115, 1345, 5353, 6467, 7813, 31193, 37687, 45533, 181805, 219655, 265385, 1059637, 1280243, 1546777, 6176017, 7461803, 9015277, 35996465, 43490575, 52544885, 209802773, 253481647, 306254033, 1222820173, 1477399307]

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

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