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.

A361758 a(n) = [x^n] (x^5 + 5*x^4 + 4*x^3 - 3*x + 1)/((1 - x)*(x^2 + 2*x - 1)^2).

Table of values

n a(n)
0 1
1 2
2 4
3 10
4 30
5 90
6 264
7 754
8 2106
9 5778
10 15628
11 41786
12 110678
13 290858
14 759312
15 1971042
16 5091442
17 13095586
18 33555988
19 85695978
20 218198158
21 554081146
22 1403588376
23 3547702610
24 8949110954
25 22532603954
26 56637795100
27 142141826074
28 356212187334
29 891481312842

List of values

[1, 2, 4, 10, 30, 90, 264, 754, 2106, 5778, 15628, 41786, 110678, 290858, 759312, 1971042, 5091442, 13095586, 33555988, 85695978, 218198158, 554081146, 1403588376, 3547702610, 8949110954, 22532603954, 56637795100, 142141826074, 356212187334, 891481312842]