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.

A077937 Expansion of 1/(1-2*x-2*x^2+2*x^3).

Table of values

n a(n)
0 1
1 2
2 6
3 14
4 36
5 88
6 220
7 544
8 1352
9 3352
10 8320
11 20640
12 51216
13 127072
14 315296
15 782304
16 1941056
17 4816128
18 11949760
19 29649664
20 73566592
21 182532992
22 452899840
23 1123732480
24 2788198656
25 6918062592
26 17165057536
27 42589842944
28 105673675776
29 262196922368

List of values

[1, 2, 6, 14, 36, 88, 220, 544, 1352, 3352, 8320, 20640, 51216, 127072, 315296, 782304, 1941056, 4816128, 11949760, 29649664, 73566592, 182532992, 452899840, 1123732480, 2788198656, 6918062592, 17165057536, 42589842944, 105673675776, 262196922368]