A350520 - cp's OEIS frontend

A350520 The number of degree-n^2 polynomials over Z/2Z that can be written as f(f(x)) where f is a polynomial.

n	a(n)
0	1
1	1
2	3
3	8
4	14
5	32
6	60
7	128
8	248
9	512
10	1008
11	2048
12	4064
13	8192
14	16320
15	32768
16	65408
17	131072
18	261888
19	524288
20	1048064
21	2097152
22	4193280
23	8388608
24	16775168
25	33554432
26	67104768
27	134217728
28	268427264

[1, 1, 3, 8, 14, 32, 60, 128, 248, 512, 1008, 2048, 4064, 8192, 16320, 32768, 65408, 131072, 261888, 524288, 1048064, 2097152, 4193280, 8388608, 16775168, 33554432, 67104768, 134217728, 268427264]

cp's OEIS Frontend

A350520 The number of degree-n^2 polynomials over Z/2Z that can be written as f(f(x)) where f is a polynomial.

Table of values

List of values