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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.

A011945 Areas of almost-equilateral Heronian triangles (integral side lengths m-1, m, m+1 and integral area).

Table of values

n a(n)
1 0
2 6
3 84
4 1170
5 16296
6 226974
7 3161340
8 44031786
9 613283664
10 8541939510
11 118973869476
12 1657092233154
13 23080317394680
14 321467351292366
15 4477462600698444
16 62363009058485850
17 868604664218103456
18 12098102289994962534
19 168504827395711372020
20 2346969481249964245746

List of values

[0, 6, 84, 1170, 16296, 226974, 3161340, 44031786, 613283664, 8541939510, 118973869476, 1657092233154, 23080317394680, 321467351292366, 4477462600698444, 62363009058485850, 868604664218103456, 12098102289994962534, 168504827395711372020, 2346969481249964245746]

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

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