A335383 - cp's OEIS frontend

A335383 a(n) is the number of irreducible Mersenne polynomials in GF(2)[x] that have degree n.

n	a(n)
2	1
3	2
4	2
5	2
6	2
7	4
8	0
9	4
10	2
11	2
12	2
13	0
14	2
15	6
16	0
17	6
18	2
19	0
20	2
21	2
22	2
23	4
24	0
25	4
26	0
27	0
28	8
29	2
30	2
31	8
32	0
33	4
34	2
35	2
36	2
37	0
38	0
39	6
40	0
41	4
42	0
43	0
44	2
45	0
46	2
47	8
48	0
49	8
50	0
51	0
52	8
53	0
54	0
55	4
56	0
57	8
58	2
59	0
60	8
61	0
62	2
63	8
64	0
65	4
66	0
67	0
68	4
69	0
70	0
71	10
72	0
73	6
74	2
75	0
76	2
77	0
78	0
79	4
80	0
81	6
82	0
83	0
84	6
85	0
86	2
87	2
88	0
89	2
90	0
91	0
92	2
93	2
94	2
95	4
96	0
97	8
98	4
99	0
100	6

[1, 2, 2, 2, 2, 4, 0, 4, 2, 2, 2, 0, 2, 6, 0, 6, 2, 0, 2, 2, 2, 4, 0, 4, 0, 0, 8, 2, 2, 8, 0, 4, 2, 2, 2, 0, 0, 6, 0, 4, 0, 0, 2, 0, 2, 8, 0, 8, 0, 0, 8, 0, 0, 4, 0, 8, 2, 0, 8, 0, 2, 8, 0, 4, 0, 0, 4, 0, 0, 10, 0, 6, 2, 0, 2, 0, 0, 4, 0, 6, 0, 0, 6, 0, 2, 2, 0, 2, 0, 0, 2, 2, 2, 4, 0, 8, 4, 0, 6]

cp's OEIS Frontend

A335383 a(n) is the number of irreducible Mersenne polynomials in GF(2)[x] that have degree n.

Table of values

List of values

n	a(n)
2	1
3	2
4	2
5	2
6	2
7	4
8	0
9	4
10	2
11	2
12	2
13	0
14	2
15	6
16	0
17	6
18	2
19	0
20	2
21	2
22	2
23	4
24	0
25	4
26	0
27	0
28	8
29	2
30	2
31	8
32	0
33	4
34	2
35	2
36	2
37	0
38	0
39	6
40	0
41	4
42	0
43	0
44	2
45	0
46	2
47	8
48	0
49	8
50	0
51	0
52	8
53	0
54	0
55	4
56	0
57	8
58	2
59	0
60	8
61	0
62	2
63	8
64	0
65	4
66	0
67	0
68	4
69	0
70	0
71	10
72	0
73	6
74	2
75	0
76	2
77	0
78	0
79	4
80	0
81	6
82	0
83	0
84	6
85	0
86	2
87	2
88	0
89	2
90	0
91	0
92	2
93	2
94	2
95	4
96	0
97	8
98	4
99	0
100	6

n	a(n)
2	1
3	2
4	2
5	2
6	2
7	4
8	0
9	4
10	2
11	2
12	2
13	0
14	2
15	6
16	0
17	6
18	2
19	0
20	2
21	2
22	2
23	4
24	0
25	4
26	0
27	0
28	8
29	2
30	2
31	8
32	0
33	4
34	2
35	2
36	2
37	0
38	0
39	6
40	0
41	4
42	0
43	0
44	2
45	0
46	2
47	8
48	0
49	8
50	0
51	0
52	8
53	0
54	0
55	4
56	0
57	8
58	2
59	0
60	8
61	0
62	2
63	8
64	0
65	4
66	0
67	0
68	4
69	0
70	0
71	10
72	0
73	6
74	2
75	0
76	2
77	0
78	0
79	4
80	0
81	6
82	0
83	0
84	6
85	0
86	2
87	2
88	0
89	2
90	0
91	0
92	2
93	2
94	2
95	4
96	0
97	8
98	4
99	0
100	6

n	a(n)
2	1
3	2
4	2
5	2
6	2
7	4
8	0
9	4
10	2
11	2
12	2
13	0
14	2
15	6
16	0
17	6
18	2
19	0
20	2
21	2
22	2
23	4
24	0
25	4
26	0
27	0
28	8
29	2
30	2
31	8
32	0
33	4
34	2
35	2
36	2
37	0
38	0
39	6
40	0
41	4
42	0
43	0
44	2
45	0
46	2
47	8
48	0
49	8
50	0
51	0
52	8
53	0
54	0
55	4
56	0
57	8
58	2
59	0
60	8
61	0
62	2
63	8
64	0
65	4
66	0
67	0
68	4
69	0
70	0
71	10
72	0
73	6
74	2
75	0
76	2
77	0
78	0
79	4
80	0
81	6
82	0
83	0
84	6
85	0
86	2
87	2
88	0
89	2
90	0
91	0
92	2
93	2
94	2
95	4
96	0
97	8
98	4
99	0
100	6