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.

A165516 Perfect squares (A000290) that can be expressed as the sum of three consecutive triangular numbers (A000217).

Table of values

n a(n)
1 4
2 64
3 361
4 6241
5 35344
6 611524
7 3463321
8 59923081
9 339370084
10 5871850384
11 33254804881
12 575381414521
13 3258631508224
14 56381506772644
15 319312633001041
16 5524812282304561
17 31289379402593764
18 541375222159074304
19 3066039868821187801
20 53049246959306977201
21 300440617765073810704
22 5198284826789924691364

List of values

[4, 64, 361, 6241, 35344, 611524, 3463321, 59923081, 339370084, 5871850384, 33254804881, 575381414521, 3258631508224, 56381506772644, 319312633001041, 5524812282304561, 31289379402593764, 541375222159074304, 3066039868821187801, 53049246959306977201, 300440617765073810704, 5198284826789924691364]

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

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