A294884 - cp's OEIS frontend

A294884 Number of divisors of n that are not irreducible when their binary expansion is interpreted as polynomial over GF(2).

n	a(n)
1	1
2	1
3	1
4	2
5	2
6	2
7	1
8	3
9	2
10	3
11	1
12	4
13	1
14	2
15	3
16	4
17	2
18	4
19	1
20	5
21	2
22	2
23	2
24	6
25	2
26	2
27	3
28	4
29	2
30	6
31	1
32	5
33	2
34	3
35	3
36	7
37	1
38	2
39	2
40	7
41	1
42	5
43	2
44	4
45	5
46	3
47	1
48	8
49	2
50	4
51	3
52	4
53	2
54	6
55	2
56	6
57	2
58	3
59	1
60	10
61	1
62	2
63	4
64	6
65	3
66	5
67	1
68	5
69	3
70	6
71	2
72	10
73	1
74	2
75	4
76	4
77	2
78	5
79	2
80	9
81	4
82	2
83	2
84	9
85	4
86	3
87	2
88	6
89	2
90	10
91	1
92	5
93	2
94	2
95	3
96	10
97	1
98	4
99	4
100	7
101	2
102	6
103	1
104	6
105	6

[1, 1, 1, 2, 2, 2, 1, 3, 2, 3, 1, 4, 1, 2, 3, 4, 2, 4, 1, 5, 2, 2, 2, 6, 2, 2, 3, 4, 2, 6, 1, 5, 2, 3, 3, 7, 1, 2, 2, 7, 1, 5, 2, 4, 5, 3, 1, 8, 2, 4, 3, 4, 2, 6, 2, 6, 2, 3, 1, 10, 1, 2, 4, 6, 3, 5, 1, 5, 3, 6, 2, 10, 1, 2, 4, 4, 2, 5, 2, 9, 4, 2, 2, 9, 4, 3, 2, 6, 2, 10, 1, 5, 2, 2, 3, 10, 1, 4, 4, 7, 2, 6, 1, 6, 6]

cp's OEIS Frontend

A294884 Number of divisors of n that are not irreducible when their binary expansion is interpreted as polynomial over GF(2).

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	2
5	2
6	2
7	1
8	3
9	2
10	3
11	1
12	4
13	1
14	2
15	3
16	4
17	2
18	4
19	1
20	5
21	2
22	2
23	2
24	6
25	2
26	2
27	3
28	4
29	2
30	6
31	1
32	5
33	2
34	3
35	3
36	7
37	1
38	2
39	2
40	7
41	1
42	5
43	2
44	4
45	5
46	3
47	1
48	8
49	2
50	4
51	3
52	4
53	2
54	6
55	2
56	6
57	2
58	3
59	1
60	10
61	1
62	2
63	4
64	6
65	3
66	5
67	1
68	5
69	3
70	6
71	2
72	10
73	1
74	2
75	4
76	4
77	2
78	5
79	2
80	9
81	4
82	2
83	2
84	9
85	4
86	3
87	2
88	6
89	2
90	10
91	1
92	5
93	2
94	2
95	3
96	10
97	1
98	4
99	4
100	7
101	2
102	6
103	1
104	6
105	6

n	a(n)
1	1
2	1
3	1
4	2
5	2
6	2
7	1
8	3
9	2
10	3
11	1
12	4
13	1
14	2
15	3
16	4
17	2
18	4
19	1
20	5
21	2
22	2
23	2
24	6
25	2
26	2
27	3
28	4
29	2
30	6
31	1
32	5
33	2
34	3
35	3
36	7
37	1
38	2
39	2
40	7
41	1
42	5
43	2
44	4
45	5
46	3
47	1
48	8
49	2
50	4
51	3
52	4
53	2
54	6
55	2
56	6
57	2
58	3
59	1
60	10
61	1
62	2
63	4
64	6
65	3
66	5
67	1
68	5
69	3
70	6
71	2
72	10
73	1
74	2
75	4
76	4
77	2
78	5
79	2
80	9
81	4
82	2
83	2
84	9
85	4
86	3
87	2
88	6
89	2
90	10
91	1
92	5
93	2
94	2
95	3
96	10
97	1
98	4
99	4
100	7
101	2
102	6
103	1
104	6
105	6

n	a(n)
1	1
2	1
3	1
4	2
5	2
6	2
7	1
8	3
9	2
10	3
11	1
12	4
13	1
14	2
15	3
16	4
17	2
18	4
19	1
20	5
21	2
22	2
23	2
24	6
25	2
26	2
27	3
28	4
29	2
30	6
31	1
32	5
33	2
34	3
35	3
36	7
37	1
38	2
39	2
40	7
41	1
42	5
43	2
44	4
45	5
46	3
47	1
48	8
49	2
50	4
51	3
52	4
53	2
54	6
55	2
56	6
57	2
58	3
59	1
60	10
61	1
62	2
63	4
64	6
65	3
66	5
67	1
68	5
69	3
70	6
71	2
72	10
73	1
74	2
75	4
76	4
77	2
78	5
79	2
80	9
81	4
82	2
83	2
84	9
85	4
86	3
87	2
88	6
89	2
90	10
91	1
92	5
93	2
94	2
95	3
96	10
97	1
98	4
99	4
100	7
101	2
102	6
103	1
104	6
105	6