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.

A372410 Coefficient of x^n in the expansion of ( (1-x+x^2) / (1-x)^3 )^n.

Table of values

n a(n)
0 1
1 2
2 12
3 77
4 516
5 3552
6 24891
7 176647
8 1265508
9 9132530
10 66288762
11 483442434
12 3539626635
13 26002266656
14 191556630375
15 1414649524077
16 10469628711396
17 77630719516650
18 576585458828844
19 4288881479411395
20 31945446999811266
21 238233164413294792
22 1778587750475510316

List of values

[1, 2, 12, 77, 516, 3552, 24891, 176647, 1265508, 9132530, 66288762, 483442434, 3539626635, 26002266656, 191556630375, 1414649524077, 10469628711396, 77630719516650, 576585458828844, 4288881479411395, 31945446999811266, 238233164413294792, 1778587750475510316]