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.

A370247 Coefficient of x^n in the expansion of ( 1/(1-x)^2 * (1+x^3) )^n.

Table of values

n a(n)
0 1
1 2
2 10
3 59
4 362
5 2277
6 14575
7 94474
8 618154
9 4074197
10 27008885
11 179897720
12 1202961215
13 8070830588
14 54302131642
15 366252974259
16 2475575739306
17 16764524795037
18 113719280941453
19 772551326290528
20 5255393538550837
21 35794109754866998
22 244060675562790316

List of values

[1, 2, 10, 59, 362, 2277, 14575, 94474, 618154, 4074197, 27008885, 179897720, 1202961215, 8070830588, 54302131642, 366252974259, 2475575739306, 16764524795037, 113719280941453, 772551326290528, 5255393538550837, 35794109754866998, 244060675562790316]