A285097 - cp's OEIS frontend

A285097 a(n) = difference between the positions of two least significant 1-bits in base-2 representation of n, or 0 if there are less than two 1-bits in n (when n is either zero or a power of 2).

n	a(n)
0	0
1	0
2	0
3	1
4	0
5	2
6	1
7	1
8	0
9	3
10	2
11	1
12	1
13	2
14	1
15	1
16	0
17	4
18	3
19	1
20	2
21	2
22	1
23	1
24	1
25	3
26	2
27	1
28	1
29	2
30	1
31	1
32	0
33	5
34	4
35	1
36	3
37	2
38	1
39	1
40	2
41	3
42	2
43	1
44	1
45	2
46	1
47	1
48	1
49	4
50	3
51	1
52	2
53	2
54	1
55	1
56	1
57	3
58	2
59	1
60	1
61	2
62	1
63	1
64	0
65	6
66	5
67	1
68	4
69	2
70	1
71	1
72	3
73	3
74	2
75	1
76	1
77	2
78	1
79	1
80	2
81	4
82	3
83	1
84	2
85	2
86	1
87	1
88	1
89	3
90	2
91	1
92	1
93	2
94	1
95	1
96	1
97	5
98	4
99	1
100	3
101	2
102	1
103	1
104	2
105	3
106	2
107	1
108	1
109	2
110	1
111	1
112	1
113	4
114	3
115	1
116	2
117	2
118	1
119	1
120	1

[0, 0, 0, 1, 0, 2, 1, 1, 0, 3, 2, 1, 1, 2, 1, 1, 0, 4, 3, 1, 2, 2, 1, 1, 1, 3, 2, 1, 1, 2, 1, 1, 0, 5, 4, 1, 3, 2, 1, 1, 2, 3, 2, 1, 1, 2, 1, 1, 1, 4, 3, 1, 2, 2, 1, 1, 1, 3, 2, 1, 1, 2, 1, 1, 0, 6, 5, 1, 4, 2, 1, 1, 3, 3, 2, 1, 1, 2, 1, 1, 2, 4, 3, 1, 2, 2, 1, 1, 1, 3, 2, 1, 1, 2, 1, 1, 1, 5, 4, 1, 3, 2, 1, 1, 2, 3, 2, 1, 1, 2, 1, 1, 1, 4, 3, 1, 2, 2, 1, 1, 1]

cp's OEIS Frontend

A285097 a(n) = difference between the positions of two least significant 1-bits in base-2 representation of n, or 0 if there are less than two 1-bits in n (when n is either zero or a power of 2).

Table of values

List of values

n	a(n)
0	0
1	0
2	0
3	1
4	0
5	2
6	1
7	1
8	0
9	3
10	2
11	1
12	1
13	2
14	1
15	1
16	0
17	4
18	3
19	1
20	2
21	2
22	1
23	1
24	1
25	3
26	2
27	1
28	1
29	2
30	1
31	1
32	0
33	5
34	4
35	1
36	3
37	2
38	1
39	1
40	2
41	3
42	2
43	1
44	1
45	2
46	1
47	1
48	1
49	4
50	3
51	1
52	2
53	2
54	1
55	1
56	1
57	3
58	2
59	1
60	1
61	2
62	1
63	1
64	0
65	6
66	5
67	1
68	4
69	2
70	1
71	1
72	3
73	3
74	2
75	1
76	1
77	2
78	1
79	1
80	2
81	4
82	3
83	1
84	2
85	2
86	1
87	1
88	1
89	3
90	2
91	1
92	1
93	2
94	1
95	1
96	1
97	5
98	4
99	1
100	3
101	2
102	1
103	1
104	2
105	3
106	2
107	1
108	1
109	2
110	1
111	1
112	1
113	4
114	3
115	1
116	2
117	2
118	1
119	1
120	1

n	a(n)
0	0
1	0
2	0
3	1
4	0
5	2
6	1
7	1
8	0
9	3
10	2
11	1
12	1
13	2
14	1
15	1
16	0
17	4
18	3
19	1
20	2
21	2
22	1
23	1
24	1
25	3
26	2
27	1
28	1
29	2
30	1
31	1
32	0
33	5
34	4
35	1
36	3
37	2
38	1
39	1
40	2
41	3
42	2
43	1
44	1
45	2
46	1
47	1
48	1
49	4
50	3
51	1
52	2
53	2
54	1
55	1
56	1
57	3
58	2
59	1
60	1
61	2
62	1
63	1
64	0
65	6
66	5
67	1
68	4
69	2
70	1
71	1
72	3
73	3
74	2
75	1
76	1
77	2
78	1
79	1
80	2
81	4
82	3
83	1
84	2
85	2
86	1
87	1
88	1
89	3
90	2
91	1
92	1
93	2
94	1
95	1
96	1
97	5
98	4
99	1
100	3
101	2
102	1
103	1
104	2
105	3
106	2
107	1
108	1
109	2
110	1
111	1
112	1
113	4
114	3
115	1
116	2
117	2
118	1
119	1
120	1

n	a(n)
0	0
1	0
2	0
3	1
4	0
5	2
6	1
7	1
8	0
9	3
10	2
11	1
12	1
13	2
14	1
15	1
16	0
17	4
18	3
19	1
20	2
21	2
22	1
23	1
24	1
25	3
26	2
27	1
28	1
29	2
30	1
31	1
32	0
33	5
34	4
35	1
36	3
37	2
38	1
39	1
40	2
41	3
42	2
43	1
44	1
45	2
46	1
47	1
48	1
49	4
50	3
51	1
52	2
53	2
54	1
55	1
56	1
57	3
58	2
59	1
60	1
61	2
62	1
63	1
64	0
65	6
66	5
67	1
68	4
69	2
70	1
71	1
72	3
73	3
74	2
75	1
76	1
77	2
78	1
79	1
80	2
81	4
82	3
83	1
84	2
85	2
86	1
87	1
88	1
89	3
90	2
91	1
92	1
93	2
94	1
95	1
96	1
97	5
98	4
99	1
100	3
101	2
102	1
103	1
104	2
105	3
106	2
107	1
108	1
109	2
110	1
111	1
112	1
113	4
114	3
115	1
116	2
117	2
118	1
119	1
120	1