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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.

A256000 Numbers whose square can be written as sum of at least 3 consecutive triangular numbers in two ways.

Table of values

n a(n)
1 286
2 826
3 2739
4 3971
5 5698
6 9196
7 10166
8 10697
9 22990
10 61006
11 132795
12 416790
13 766480
14 809380
15 2396870
16 2904434
17 3459006
18 3688802
19 4518514
20 11725659
21 13111098
22 13998608
23 15709122
24 22173027
25 22365267
26 23636272
27 23823988
28 32186742
29 33630662
30 33658710
31 39502086
32 46387924
33 59101625
34 62381858
35 89841192

List of values

[286, 826, 2739, 3971, 5698, 9196, 10166, 10697, 22990, 61006, 132795, 416790, 766480, 809380, 2396870, 2904434, 3459006, 3688802, 4518514, 11725659, 13111098, 13998608, 15709122, 22173027, 22365267, 23636272, 23823988, 32186742, 33630662, 33658710, 39502086, 46387924, 59101625, 62381858, 89841192]

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

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