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.

A300579 Expansion of Product_{k>=1} 1/(1 - 3^(k-1)*x^k).

Table of values

n a(n)
0 1
1 1
2 4
3 13
4 49
5 157
6 589
7 1885
8 6826
9 22378
10 78754
11 256630
12 904711
13 2934247
14 10133851
15 33287620
16 113522089
17 370582069
18 1262300701
19 4110883510
20 13869616495
21 45364050184
22 151708228636
23 494743296757
24 1654133919475
25 5379427446952
26 17858926956532
27 58219580395822

List of values

[1, 1, 4, 13, 49, 157, 589, 1885, 6826, 22378, 78754, 256630, 904711, 2934247, 10133851, 33287620, 113522089, 370582069, 1262300701, 4110883510, 13869616495, 45364050184, 151708228636, 494743296757, 1654133919475, 5379427446952, 17858926956532, 58219580395822]