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.

A384673 Expansion of (1+x) / (1-2*x-5*x^2+2*x^3).

Table of values

n a(n)
0 1
1 3
2 11
3 35
4 119
5 391
6 1307
7 4331
8 14415
9 47871
10 159155
11 528835
12 1757703
13 5841271
14 19413387
15 64517723
16 214419839
17 712601519
18 2368266787
19 7870701491
20 26157533879
21 86932041639
22 288910349691
23 960165839819
24 3191019344815
25 10605047189343
26 35244859423123

List of values

[1, 3, 11, 35, 119, 391, 1307, 4331, 14415, 47871, 159155, 528835, 1757703, 5841271, 19413387, 64517723, 214419839, 712601519, 2368266787, 7870701491, 26157533879, 86932041639, 288910349691, 960165839819, 3191019344815, 10605047189343, 35244859423123]