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.

A296097 Triangular numbers that can be represented as a product of two triangular numbers greater than 1, as a product of three triangular numbers greater than 1, and as a product of four triangular numbers greater than 1.

Table of values

n a(n)
1 25200
2 61425
3 145530
4 500500
5 749700
6 828828
7 1185030
8 2031120
9 2162160
10 2821500
11 4573800
12 5364450
13 13857480
14 17907120
15 20991960
16 21783300
17 24643710
18 27162135
19 29610360
20 30933045
21 34283340
22 37191000
23 40901490
24 60769800
25 64292130
26 71216145
27 76576500
28 90041490

List of values

[25200, 61425, 145530, 500500, 749700, 828828, 1185030, 2031120, 2162160, 2821500, 4573800, 5364450, 13857480, 17907120, 20991960, 21783300, 24643710, 27162135, 29610360, 30933045, 34283340, 37191000, 40901490, 60769800, 64292130, 71216145, 76576500, 90041490]

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

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