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.

A363256 Number of length n strings on the alphabet {0,1,2,3} with digit sum at most 4.

Table of values

n a(n)
0 1
1 4
2 13
3 32
4 66
5 121
6 204
7 323
8 487
9 706
10 991
11 1354
12 1808
13 2367
14 3046
15 3861
16 4829
17 5968
18 7297
19 8836
20 10606
21 12629
22 14928
23 17527
24 20451
25 23726
26 27379
27 31438
28 35932
29 40891
30 46346
31 52329
32 58873
33 66012
34 73781
35 82216
36 91354
37 101233
38 111892
39 123371
40 135711

List of values

[1, 4, 13, 32, 66, 121, 204, 323, 487, 706, 991, 1354, 1808, 2367, 3046, 3861, 4829, 5968, 7297, 8836, 10606, 12629, 14928, 17527, 20451, 23726, 27379, 31438, 35932, 40891, 46346, 52329, 58873, 66012, 73781, 82216, 91354, 101233, 111892, 123371, 135711]