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.

A370281 Coefficient of x^n in the expansion of 1/( (1-x)^2 - x^3 )^n.

Table of values

n a(n)
0 1
1 2
2 10
3 59
4 370
5 2392
6 15757
7 105156
8 708546
9 4809695
10 32841380
11 225321967
12 1552063981
13 10726766624
14 74348039020
15 516586596484
16 3597106344450
17 25095046641861
18 175369603836301
19 1227366066102925
20 8601637753421020
21 60355768595163030
22 423972992316330225

List of values

[1, 2, 10, 59, 370, 2392, 15757, 105156, 708546, 4809695, 32841380, 225321967, 1552063981, 10726766624, 74348039020, 516586596484, 3597106344450, 25095046641861, 175369603836301, 1227366066102925, 8601637753421020, 60355768595163030, 423972992316330225]