A329721 - cp's OEIS frontend

A329721 Irregular 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 distinct factors in its unique factorization into irreducible polynomials.

n	a(n)
1	2
2	3
3	1
4	4
5	4
6	6
7	9
8	1
9	8
10	20
11	4
12	14
13	35
14	15
15	20
16	70
17	36
18	2
19	36
20	122
21	90
22	8
23	60
24	226
25	196
26	30
27	108
28	410
29	414
30	91
31	1
32	188
33	762
34	848
35	242
36	8
37	352
38	1390
39	1719
40	601
41	34
42	632
43	2616
44	3406
45	1416
46	122
47	1182
48	4879
49	6739
50	3207
51	374
52	3
53	2192
54	9196
55	13274
56	7026
57	1062
58	18

[2, 3, 1, 4, 4, 6, 9, 1, 8, 20, 4, 14, 35, 15, 20, 70, 36, 2, 36, 122, 90, 8, 60, 226, 196, 30, 108, 410, 414, 91, 1, 188, 762, 848, 242, 8, 352, 1390, 1719, 601, 34, 632, 2616, 3406, 1416, 122, 1182, 4879, 6739, 3207, 374, 3, 2192, 9196, 13274, 7026, 1062, 18]

cp's OEIS Frontend

A329721 Irregular 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 distinct factors in its unique factorization into irreducible polynomials.

Table of values

List of values