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.

A116476 Numbers n such that T(n) + T(n+1) + ... + T(n+10) is a square, where T(m) = A000217(m) is the m-th triangular number.

Table of values

n a(n)
1 13
2 46
3 229
4 1608
5 7335
6 20304
7 92391
8 635710
9 2892133
10 8001886
11 36403981
12 250470288
13 1139495223
14 3152724936
15 14343078279
16 98684659918
17 448958227885
18 1242165625054
19 5651136440101
20 38881505539560
21 176888402293623
22 489410103548496

List of values

[13, 46, 229, 1608, 7335, 20304, 92391, 635710, 2892133, 8001886, 36403981, 250470288, 1139495223, 3152724936, 14343078279, 98684659918, 448958227885, 1242165625054, 5651136440101, 38881505539560, 176888402293623, 489410103548496]