A366799 - cp's OEIS frontend

A366799 Number of divisors d of n that are not of the form 4k+2, as permuted by the Doudna sequence.

n	a(n)
0	1
1	1
2	2
3	2
4	2
5	2
6	3
7	3
8	2
9	2
10	4
11	4
12	3
13	3
14	4
15	4
16	2
17	2
18	4
19	4
20	4
21	4
22	6
23	6
24	3
25	3
26	6
27	6
28	4
29	4
30	5
31	5
32	2
33	2
34	4
35	4
36	4
37	4
38	6
39	6
40	4
41	4
42	8
43	8
44	6
45	6
46	8
47	8
48	3
49	3
50	6
51	6
52	6
53	6
54	9
55	9
56	4
57	4
58	8
59	8
60	5
61	5
62	6
63	6
64	2
65	2
66	4
67	4
68	4
69	4
70	6
71	6
72	4
73	4
74	8
75	8
76	6
77	6
78	8
79	8
80	4
81	4
82	8
83	8
84	8
85	8
86	12
87	12
88	6
89	6
90	12
91	12
92	8
93	8
94	10
95	10
96	3
97	3
98	6
99	6
100	6
101	6
102	9
103	9

[1, 1, 2, 2, 2, 2, 3, 3, 2, 2, 4, 4, 3, 3, 4, 4, 2, 2, 4, 4, 4, 4, 6, 6, 3, 3, 6, 6, 4, 4, 5, 5, 2, 2, 4, 4, 4, 4, 6, 6, 4, 4, 8, 8, 6, 6, 8, 8, 3, 3, 6, 6, 6, 6, 9, 9, 4, 4, 8, 8, 5, 5, 6, 6, 2, 2, 4, 4, 4, 4, 6, 6, 4, 4, 8, 8, 6, 6, 8, 8, 4, 4, 8, 8, 8, 8, 12, 12, 6, 6, 12, 12, 8, 8, 10, 10, 3, 3, 6, 6, 6, 6, 9, 9]

cp's OEIS Frontend

A366799 Number of divisors d of n that are not of the form 4k+2, as permuted by the Doudna sequence.

Table of values

List of values

n	a(n)
0	1
1	1
2	2
3	2
4	2
5	2
6	3
7	3
8	2
9	2
10	4
11	4
12	3
13	3
14	4
15	4
16	2
17	2
18	4
19	4
20	4
21	4
22	6
23	6
24	3
25	3
26	6
27	6
28	4
29	4
30	5
31	5
32	2
33	2
34	4
35	4
36	4
37	4
38	6
39	6
40	4
41	4
42	8
43	8
44	6
45	6
46	8
47	8
48	3
49	3
50	6
51	6
52	6
53	6
54	9
55	9
56	4
57	4
58	8
59	8
60	5
61	5
62	6
63	6
64	2
65	2
66	4
67	4
68	4
69	4
70	6
71	6
72	4
73	4
74	8
75	8
76	6
77	6
78	8
79	8
80	4
81	4
82	8
83	8
84	8
85	8
86	12
87	12
88	6
89	6
90	12
91	12
92	8
93	8
94	10
95	10
96	3
97	3
98	6
99	6
100	6
101	6
102	9
103	9

n	a(n)
0	1
1	1
2	2
3	2
4	2
5	2
6	3
7	3
8	2
9	2
10	4
11	4
12	3
13	3
14	4
15	4
16	2
17	2
18	4
19	4
20	4
21	4
22	6
23	6
24	3
25	3
26	6
27	6
28	4
29	4
30	5
31	5
32	2
33	2
34	4
35	4
36	4
37	4
38	6
39	6
40	4
41	4
42	8
43	8
44	6
45	6
46	8
47	8
48	3
49	3
50	6
51	6
52	6
53	6
54	9
55	9
56	4
57	4
58	8
59	8
60	5
61	5
62	6
63	6
64	2
65	2
66	4
67	4
68	4
69	4
70	6
71	6
72	4
73	4
74	8
75	8
76	6
77	6
78	8
79	8
80	4
81	4
82	8
83	8
84	8
85	8
86	12
87	12
88	6
89	6
90	12
91	12
92	8
93	8
94	10
95	10
96	3
97	3
98	6
99	6
100	6
101	6
102	9
103	9

n	a(n)
0	1
1	1
2	2
3	2
4	2
5	2
6	3
7	3
8	2
9	2
10	4
11	4
12	3
13	3
14	4
15	4
16	2
17	2
18	4
19	4
20	4
21	4
22	6
23	6
24	3
25	3
26	6
27	6
28	4
29	4
30	5
31	5
32	2
33	2
34	4
35	4
36	4
37	4
38	6
39	6
40	4
41	4
42	8
43	8
44	6
45	6
46	8
47	8
48	3
49	3
50	6
51	6
52	6
53	6
54	9
55	9
56	4
57	4
58	8
59	8
60	5
61	5
62	6
63	6
64	2
65	2
66	4
67	4
68	4
69	4
70	6
71	6
72	4
73	4
74	8
75	8
76	6
77	6
78	8
79	8
80	4
81	4
82	8
83	8
84	8
85	8
86	12
87	12
88	6
89	6
90	12
91	12
92	8
93	8
94	10
95	10
96	3
97	3
98	6
99	6
100	6
101	6
102	9
103	9