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.

A349842 Expansion of 1/((1 - 2*x)*(1 + x + x^2 + x^3 + x^4)).

Table of values

n a(n)
0 1
1 1
2 2
3 4
4 8
5 17
6 33
7 66
8 132
9 264
10 529
11 1057
12 2114
13 4228
14 8456
15 16913
16 33825
17 67650
18 135300
19 270600
20 541201
21 1082401
22 2164802
23 4329604
24 8659208
25 17318417
26 34636833
27 69273666
28 138547332
29 277094664
30 554189329
31 1108378657
32 2216757314
33 4433514628
34 8867029256
35 17734058513

List of values

[1, 1, 2, 4, 8, 17, 33, 66, 132, 264, 529, 1057, 2114, 4228, 8456, 16913, 33825, 67650, 135300, 270600, 541201, 1082401, 2164802, 4329604, 8659208, 17318417, 34636833, 69273666, 138547332, 277094664, 554189329, 1108378657, 2216757314, 4433514628, 8867029256, 17734058513]