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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.

A088941 a(n)=12*sum(1<=i<=j<=k<=n,i*j/k).

Table of values

n a(n)
0 0
1 12
2 54
3 154
4 349
5 685
6 1217
7 2009
8 3134
9 4674
10 6720
11 9372
12 12739
13 16939
14 22099
15 28355
16 35852
17 44744
18 55194
19 67374
20 81465
21 97657
22 116149
23 137149
24 160874
25 187550
26 217412
27 250704
28 287679
29 328599
30 373735
31 423367
32 477784
33 537284
34 602174
35 672770

List of values

[0, 12, 54, 154, 349, 685, 1217, 2009, 3134, 4674, 6720, 9372, 12739, 16939, 22099, 28355, 35852, 44744, 55194, 67374, 81465, 97657, 116149, 137149, 160874, 187550, 217412, 250704, 287679, 328599, 373735, 423367, 477784, 537284, 602174, 672770]

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

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