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.

A022619 Triangle T(n,k)of numbers of asymmetric Boolean functions of n variables with exactly k = 0..2^n nonzero values (atoms) under action of complementing group C(n,2).

Table of values

n a(n)
1 0
2 1
3 0
4 0
5 1
6 0
7 1
8 0
9 0
10 1
11 0
12 7
13 7
14 7
15 0
16 1
17 0
18 0
19 1
20 0
21 35
22 105
23 273
24 448
25 715
26 750
27 715
28 448
29 273
30 105
31 35
32 0
33 1
34 0
35 0
36 1
37 0
38 155
39 1085
40 6293
41 27776
42 105183
43 327050
44 876525
45 2011776
46 4032015
47 7048811
48 10855425
49 14721280
50 17678835
51 18771864

List of values

[0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 7, 7, 7, 0, 1, 0, 0, 1, 0, 35, 105, 273, 448, 715, 750, 715, 448, 273, 105, 35, 0, 1, 0, 0, 1, 0, 155, 1085, 6293, 27776, 105183, 327050, 876525, 2011776, 4032015, 7048811, 10855425, 14721280, 17678835, 18771864]