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.

A181442 Expansion of (1 + x - 8*x^2 + x^3 + x^4) / ( (1 - x)*(1 - 10*x^2 + x^4) ).

Table of values

n a(n)
0 1
1 2
2 4
3 15
4 35
5 144
6 342
7 1421
8 3381
9 14062
10 33464
11 139195
12 331255
13 1377884
14 3279082
15 13639641
16 32459561
17 135018522
18 321316524
19 1336545575
20 3180705675
21 13230437224
22 31485740222
23 130967826661
24 311676696541
25 1296447829382
26 3085281225184
27 12833510467155

List of values

[1, 2, 4, 15, 35, 144, 342, 1421, 3381, 14062, 33464, 139195, 331255, 1377884, 3279082, 13639641, 32459561, 135018522, 321316524, 1336545575, 3180705675, 13230437224, 31485740222, 130967826661, 311676696541, 1296447829382, 3085281225184, 12833510467155]