A309530 - cp's OEIS frontend

A309530 Number of power-of-two-divisors of sum of divisors of sum of divisors of powers of two: a(n) = A001511(A051027(A000079(n))).

n	a(n)
0	1
1	3
2	4
3	4
4	6
5	4
6	8
7	5
8	5
9	10
10	5
11	6
12	14
13	12
14	12
15	6
16	18
17	10
18	20
19	11
20	9
21	9
22	6
23	8
24	8
25	18
26	6
27	15
28	7
29	16
30	32
31	7
32	11
33	22
34	17
35	14
36	7
37	24
38	22
39	13
40	5
41	13
42	11
43	12
44	20
45	10
46	7
47	11
48	9
49	16
50	33
51	22
52	6
53	10
54	15
55	17
56	28
57	12
58	6
59	20
60	62
61	36
62	12
63	9
64	24
65	16
66	5
67	26
68	12
69	26
70	10
71	18
72	6
73	12
74	16
75	28
76	19
77	26

[1, 3, 4, 4, 6, 4, 8, 5, 5, 10, 5, 6, 14, 12, 12, 6, 18, 10, 20, 11, 9, 9, 6, 8, 8, 18, 6, 15, 7, 16, 32, 7, 11, 22, 17, 14, 7, 24, 22, 13, 5, 13, 11, 12, 20, 10, 7, 11, 9, 16, 33, 22, 6, 10, 15, 17, 28, 12, 6, 20, 62, 36, 12, 9, 24, 16, 5, 26, 12, 26, 10, 18, 6, 12, 16, 28, 19, 26]

cp's OEIS Frontend

A309530 Number of power-of-two-divisors of sum of divisors of sum of divisors of powers of two: a(n) = A001511(A051027(A000079(n))).

Table of values

List of values

n	a(n)
0	1
1	3
2	4
3	4
4	6
5	4
6	8
7	5
8	5
9	10
10	5
11	6
12	14
13	12
14	12
15	6
16	18
17	10
18	20
19	11
20	9
21	9
22	6
23	8
24	8
25	18
26	6
27	15
28	7
29	16
30	32
31	7
32	11
33	22
34	17
35	14
36	7
37	24
38	22
39	13
40	5
41	13
42	11
43	12
44	20
45	10
46	7
47	11
48	9
49	16
50	33
51	22
52	6
53	10
54	15
55	17
56	28
57	12
58	6
59	20
60	62
61	36
62	12
63	9
64	24
65	16
66	5
67	26
68	12
69	26
70	10
71	18
72	6
73	12
74	16
75	28
76	19
77	26

n	a(n)
0	1
1	3
2	4
3	4
4	6
5	4
6	8
7	5
8	5
9	10
10	5
11	6
12	14
13	12
14	12
15	6
16	18
17	10
18	20
19	11
20	9
21	9
22	6
23	8
24	8
25	18
26	6
27	15
28	7
29	16
30	32
31	7
32	11
33	22
34	17
35	14
36	7
37	24
38	22
39	13
40	5
41	13
42	11
43	12
44	20
45	10
46	7
47	11
48	9
49	16
50	33
51	22
52	6
53	10
54	15
55	17
56	28
57	12
58	6
59	20
60	62
61	36
62	12
63	9
64	24
65	16
66	5
67	26
68	12
69	26
70	10
71	18
72	6
73	12
74	16
75	28
76	19
77	26

n	a(n)
0	1
1	3
2	4
3	4
4	6
5	4
6	8
7	5
8	5
9	10
10	5
11	6
12	14
13	12
14	12
15	6
16	18
17	10
18	20
19	11
20	9
21	9
22	6
23	8
24	8
25	18
26	6
27	15
28	7
29	16
30	32
31	7
32	11
33	22
34	17
35	14
36	7
37	24
38	22
39	13
40	5
41	13
42	11
43	12
44	20
45	10
46	7
47	11
48	9
49	16
50	33
51	22
52	6
53	10
54	15
55	17
56	28
57	12
58	6
59	20
60	62
61	36
62	12
63	9
64	24
65	16
66	5
67	26
68	12
69	26
70	10
71	18
72	6
73	12
74	16
75	28
76	19
77	26