A136494 - cp's OEIS frontend

A136494 Number of permutation symmetries in the binary expansion of n.

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	2
6	2
7	6
8	6
9	4
10	4
11	6
12	4
13	6
14	6
15	24
16	24
17	12
18	12
19	12
20	12
21	12
22	12
23	24
24	12
25	12
26	12
27	24
28	12
29	24
30	24
31	120
32	120
33	48
34	48
35	36
36	48
37	36
38	36
39	48
40	48
41	36
42	36
43	48
44	36
45	48
46	48
47	120
48	48
49	36
50	36
51	48
52	36
53	48
54	48
55	120
56	36
57	48
58	48
59	120
60	48
61	120
62	120
63	720
64	720

[1, 1, 1, 2, 2, 2, 2, 6, 6, 4, 4, 6, 4, 6, 6, 24, 24, 12, 12, 12, 12, 12, 12, 24, 12, 12, 12, 24, 12, 24, 24, 120, 120, 48, 48, 36, 48, 36, 36, 48, 48, 36, 36, 48, 36, 48, 48, 120, 48, 36, 36, 48, 36, 48, 48, 120, 36, 48, 48, 120, 48, 120, 120, 720, 720]

cp's OEIS Frontend

A136494 Number of permutation symmetries in the binary expansion of n.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	2
6	2
7	6
8	6
9	4
10	4
11	6
12	4
13	6
14	6
15	24
16	24
17	12
18	12
19	12
20	12
21	12
22	12
23	24
24	12
25	12
26	12
27	24
28	12
29	24
30	24
31	120
32	120
33	48
34	48
35	36
36	48
37	36
38	36
39	48
40	48
41	36
42	36
43	48
44	36
45	48
46	48
47	120
48	48
49	36
50	36
51	48
52	36
53	48
54	48
55	120
56	36
57	48
58	48
59	120
60	48
61	120
62	120
63	720
64	720

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	2
6	2
7	6
8	6
9	4
10	4
11	6
12	4
13	6
14	6
15	24
16	24
17	12
18	12
19	12
20	12
21	12
22	12
23	24
24	12
25	12
26	12
27	24
28	12
29	24
30	24
31	120
32	120
33	48
34	48
35	36
36	48
37	36
38	36
39	48
40	48
41	36
42	36
43	48
44	36
45	48
46	48
47	120
48	48
49	36
50	36
51	48
52	36
53	48
54	48
55	120
56	36
57	48
58	48
59	120
60	48
61	120
62	120
63	720
64	720

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	2
6	2
7	6
8	6
9	4
10	4
11	6
12	4
13	6
14	6
15	24
16	24
17	12
18	12
19	12
20	12
21	12
22	12
23	24
24	12
25	12
26	12
27	24
28	12
29	24
30	24
31	120
32	120
33	48
34	48
35	36
36	48
37	36
38	36
39	48
40	48
41	36
42	36
43	48
44	36
45	48
46	48
47	120
48	48
49	36
50	36
51	48
52	36
53	48
54	48
55	120
56	36
57	48
58	48
59	120
60	48
61	120
62	120
63	720
64	720