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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.

A309046 Expansion of Product_{k>=0} (1 + x^(3^k) + x^(2*3^k) + x^(3^(k+1)))^(3^k).

Table of values

n a(n)
0 1
1 1
2 1
3 4
4 3
5 3
6 9
7 6
8 6
9 25
10 19
11 19
12 58
13 39
14 39
15 105
16 66
17 66
18 211
19 145
20 145
21 394
22 249
23 249
24 630
25 381
26 381
27 1114
28 733
29 733
30 1903
31 1170
32 1170
33 2889
34 1719
35 1719
36 4827
37 3108
38 3108
39 7869
40 4761
41 4761
42 11574
43 6813
44 6813
45 18489
46 11676
47 11676
48 28839
49 17163
50 17163
51 41013
52 23850

List of values

[1, 1, 1, 4, 3, 3, 9, 6, 6, 25, 19, 19, 58, 39, 39, 105, 66, 66, 211, 145, 145, 394, 249, 249, 630, 381, 381, 1114, 733, 733, 1903, 1170, 1170, 2889, 1719, 1719, 4827, 3108, 3108, 7869, 4761, 4761, 11574, 6813, 6813, 18489, 11676, 11676, 28839, 17163, 17163, 41013, 23850]