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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.

A110687 Expansion of -(7*x^2+3*x-1)*(2*x^2+2*x+1) / ((3*x^2+3*x+1)*(2*x^3+2*x^2+4*x+1)).

Table of values

n a(n)
0 1
1 -8
2 28
3 -100
4 358
5 -1276
6 4558
7 -16342
8 58732
9 -211306
10 760498
11 -2737168
12 9851098
13 -35452510
14 127584124
15 -459135130
16 1652275834
17 -5945992576
18 21397667026
19 -77003195254
20 277109379628
21 -997226422690
22 3588693361378
23 -12914539595584
24 46475225095450

List of values

[1, -8, 28, -100, 358, -1276, 4558, -16342, 58732, -211306, 760498, -2737168, 9851098, -35452510, 127584124, -459135130, 1652275834, -5945992576, 21397667026, -77003195254, 277109379628, -997226422690, 3588693361378, -12914539595584, 46475225095450]

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

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