A257697 - cp's OEIS frontend

A257697 a(n)=0 for n <= 1; for n >= 2, a(n) = largest number that can be obtained by rotating non-msb bits of binary expansion of n (with A080541 or A080542), without the most significant bit of n: a(n) = A053645(A256999(n)).

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

[0, 0, 0, 1, 0, 2, 2, 3, 0, 4, 4, 6, 4, 6, 6, 7, 0, 8, 8, 12, 8, 10, 12, 14, 8, 12, 10, 14, 12, 14, 14, 15, 0, 16, 16, 24, 16, 20, 24, 28, 16, 20, 20, 26, 24, 26, 28, 30, 16, 24, 20, 28, 20, 26, 26, 30, 24, 28, 26, 30, 28, 30, 30, 31, 0, 32, 32, 48, 32, 40, 48, 56, 32, 36, 40, 50, 48, 52, 56, 60, 32, 40, 36, 52, 40, 42, 50, 58, 48, 50, 52, 54, 56, 58, 60]

cp's OEIS Frontend

A257697 a(n)=0 for n <= 1; for n >= 2, a(n) = largest number that can be obtained by rotating non-msb bits of binary expansion of n (with A080541 or A080542), without the most significant bit of n: a(n) = A053645(A256999(n)).

Table of values

List of values

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

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

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