A219660 - cp's OEIS frontend

A219660 a(n) = number of bit-positions where Fibonacci numbers F(n) and F(n+1) contain both an 1-bit in their binary representation.

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

[0, 1, 0, 1, 1, 0, 1, 2, 0, 2, 2, 1, 1, 4, 2, 3, 4, 3, 1, 4, 3, 1, 5, 4, 3, 3, 5, 7, 8, 4, 4, 3, 4, 8, 5, 4, 6, 6, 4, 7, 7, 10, 7, 11, 7, 8, 8, 4, 8, 12, 8, 9, 7, 8, 10, 13, 8, 8, 10, 8, 6, 12, 11, 12, 13, 10, 8, 7, 10, 13, 9, 9, 14, 12, 11, 9, 11, 13, 13, 13]

cp's OEIS Frontend

A219660 a(n) = number of bit-positions where Fibonacci numbers F(n) and F(n+1) contain both an 1-bit in their binary representation.

Table of values

List of values

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

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

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