A306945 - cp's OEIS frontend

A306945 Triangular array T(n,k) read by rows: T(n,k) is the number of degree n monic polynomials in GF(2)[x] with exactly k squarefree factors in its unique factorization into irreducible polynomials.

n	a(n)
1	2
2	1
3	1
4	2
5	2
6	3
7	4
8	1
9	6
10	8
11	2
12	9
13	16
14	7
15	18
16	30
17	14
18	2
19	30
20	60
21	34
22	4
23	56
24	114
25	72
26	14
27	99
28	220
29	156
30	36
31	1
32	186
33	422
34	320
35	90
36	6
37	335
38	817
39	671
40	207
41	18
42	630
43	1564
44	1364
45	484
46	54
47	1161
48	3023
49	2787
50	1070
51	148
52	3
53	2182
54	5818
55	5624
56	2362
57	386
58	12
59	4080
60	11240
61	11357
62	5095
63	947
64	49

[2, 1, 1, 2, 2, 3, 4, 1, 6, 8, 2, 9, 16, 7, 18, 30, 14, 2, 30, 60, 34, 4, 56, 114, 72, 14, 99, 220, 156, 36, 1, 186, 422, 320, 90, 6, 335, 817, 671, 207, 18, 630, 1564, 1364, 484, 54, 1161, 3023, 2787, 1070, 148, 3, 2182, 5818, 5624, 2362, 386, 12, 4080, 11240, 11357, 5095, 947, 49]

cp's OEIS Frontend

A306945 Triangular array T(n,k) read by rows: T(n,k) is the number of degree n monic polynomials in GF(2)[x] with exactly k squarefree factors in its unique factorization into irreducible polynomials.

Table of values

List of values