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.

A340462 Triangular numbers that are the hypotenuse of a primitive Pythagorean triple (PPT) such that another member of the triple is also triangular.

Table of values

n a(n)
1 325
2 49141
3 104653
4 354061
5 3059101
6 24735061
7 33697945
8 72884701
9 406509841
10 408565405
11 1081752841
12 1690914781
13 3234130525
14 4521006505
15 4759123141
16 6432672025
17 10850633641
18 27812493325
19 33549177061
20 39343911841
21 49017527065
22 145684193005
23 157819451653
24 221156059645

List of values

[325, 49141, 104653, 354061, 3059101, 24735061, 33697945, 72884701, 406509841, 408565405, 1081752841, 1690914781, 3234130525, 4521006505, 4759123141, 6432672025, 10850633641, 27812493325, 33549177061, 39343911841, 49017527065, 145684193005, 157819451653, 221156059645]

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

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