A134666 - cp's OEIS frontend

A134666 Number of multiply perfect numbers (A007691) having 2^n as the highest power of 2.

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

[1, 1, 2, 2, 1, 4, 1, 5, 4, 4, 3, 6, 1, 3, 4, 5, 1, 9, 1, 19, 8, 9, 3, 5, 6, 7, 16, 13, 26, 20, 1, 6, 8, 6, 13, 23, 20, 6, 9, 33, 10, 11, 14, 18, 15, 13, 32, 23, 23, 18, 12, 20, 26, 21, 16, 17, 7, 11, 20, 15, 1, 10, 17, 14, 13, 26, 21, 16, 24, 13, 21, 27, 18, 14, 16, 21, 38, 19, 12, 26, 13, 23]

cp's OEIS Frontend

A134666 Number of multiply perfect numbers (A007691) having 2^n as the highest power of 2.

Table of values

List of values

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

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

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