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.

A326755 E.g.f.: Product_{k>=1} 1/(1 - x^(3*k-1)/(3*k-1)).

Table of values

n a(n)
0 1
1 0
2 1
3 0
4 6
5 24
6 90
7 504
8 7560
9 18144
10 485352
11 4626720
12 32033232
13 516559680
14 9142044912
15 64700161344
16 1804378343040
17 29722011830784
18 308081755013760
19 8202581858225664
20 184073277074529024
21 2067986628774743040
22 75069447974837132544
23 1673053361596502645760

List of values

[1, 0, 1, 0, 6, 24, 90, 504, 7560, 18144, 485352, 4626720, 32033232, 516559680, 9142044912, 64700161344, 1804378343040, 29722011830784, 308081755013760, 8202581858225664, 184073277074529024, 2067986628774743040, 75069447974837132544, 1673053361596502645760]