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.

A321345 Expansion of 1/(1 - x) * Product_{k>=0} 1/(1 - x^(4^k))^(4^(k+1)).

Table of values

n a(n)
0 1
1 5
2 15
3 35
4 86
5 206
6 450
7 890
8 1751
9 3411
10 6401
11 11405
12 20076
13 35036
14 59876
15 99156
16 162345
17 263821
18 422871
19 663691
20 1031914
21 1594610
22 2440286
23 3678886
24 5504759
25 8196659
26 12117745
27 17715581
28 25744904
29 37267624
30 53652824
31 76576760
32 108763319
33 153984019
34 217058009

List of values

[1, 5, 15, 35, 86, 206, 450, 890, 1751, 3411, 6401, 11405, 20076, 35036, 59876, 99156, 162345, 263821, 422871, 663691, 1031914, 1594610, 2440286, 3678886, 5504759, 8196659, 12117745, 17715581, 25744904, 37267624, 53652824, 76576760, 108763319, 153984019, 217058009]