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.

A056439 Number of primitive (period n) step cyclic shifted sequence structures using a maximum of two different symbols.

Table of values

n a(n)
1 1
2 1
3 1
4 2
5 2
6 5
7 4
8 10
9 9
10 22
11 14
12 78
13 36
14 124
15 180
16 343
17 260
18 1329
19 804
20 3732
21 4428
22 9742
23 8384
24 47364
25 33778
26 108292
27 138756
28 408244
29 331184
30 2251604
31 1155734

List of values

[1, 1, 1, 2, 2, 5, 4, 10, 9, 22, 14, 78, 36, 124, 180, 343, 260, 1329, 804, 3732, 4428, 9742, 8384, 47364, 33778, 108292, 138756, 408244, 331184, 2251604, 1155734]