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.

A032307 Shifts left 2 places under "EFK" (unordered, size, unlabeled) transform.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 2
6 2
7 4
8 6
9 10
10 17
11 29
12 50
13 88
14 156
15 279
16 498
17 909
18 1639
19 3010
20 5495
21 10152
22 18674
23 34745
24 64312
25 120197
26 223850
27 420057
28 785683
29 1480429
30 2779462
31 5253203
32 9899964
33 18761327
34 35461501
35 67383407
36 127689713

List of values

[1, 1, 1, 1, 2, 2, 4, 6, 10, 17, 29, 50, 88, 156, 279, 498, 909, 1639, 3010, 5495, 10152, 18674, 34745, 64312, 120197, 223850, 420057, 785683, 1480429, 2779462, 5253203, 9899964, 18761327, 35461501, 67383407, 127689713]