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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.

A120468 Expansion of -2*x*(-8-12*x+9*x^2) / ( (x-1)*(3*x-1)*(3*x+1)*(1+x) ).

Table of values

n a(n)
0 0
1 16
2 24
3 142
4 240
5 1276
6 2184
7 11482
8 19680
9 103336
10 177144
11 930022
12 1594320
13 8370196
14 14348904
15 75331762
16 129140160
17 677985856
18 1162261464
19 6101872702
20 10460353200
21 54916854316
22 94143178824
23 494251688842
24 847288609440

List of values

[0, 16, 24, 142, 240, 1276, 2184, 11482, 19680, 103336, 177144, 930022, 1594320, 8370196, 14348904, 75331762, 129140160, 677985856, 1162261464, 6101872702, 10460353200, 54916854316, 94143178824, 494251688842, 847288609440]

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

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