A309342 - cp's OEIS frontend

A309342 a(1) = 0, and for n >= 1, a(n+1) is the number of times the binary representation of a(n) appears in the concatenation of the binary representations of a(1), ..., a(n-1).

n	a(n)
1	0
2	0
3	1
4	0
5	2
6	1
7	2
8	2
9	3
10	1
11	7
12	1
13	11
14	2
15	5
16	5
17	7
18	7
19	9
20	0
21	12
22	1
23	30
24	2
25	12
26	2
27	14
28	4
29	3
30	26
31	4
32	4
33	5
34	15
35	13
36	7
37	24
38	0
39	34
40	0
41	39
42	2
43	27
44	3
45	45
46	3
47	49
48	0
49	49
50	1
51	89
52	2
53	36
54	2
55	39
56	3
57	60
58	3
59	66
60	1
61	112
62	2
63	45
64	4
65	19
66	6
67	26
68	6
69	28
70	6
71	30
72	12
73	12
74	13
75	20
76	4

[0, 0, 1, 0, 2, 1, 2, 2, 3, 1, 7, 1, 11, 2, 5, 5, 7, 7, 9, 0, 12, 1, 30, 2, 12, 2, 14, 4, 3, 26, 4, 4, 5, 15, 13, 7, 24, 0, 34, 0, 39, 2, 27, 3, 45, 3, 49, 0, 49, 1, 89, 2, 36, 2, 39, 3, 60, 3, 66, 1, 112, 2, 45, 4, 19, 6, 26, 6, 28, 6, 30, 12, 12, 13, 20, 4]

cp's OEIS Frontend

A309342 a(1) = 0, and for n >= 1, a(n+1) is the number of times the binary representation of a(n) appears in the concatenation of the binary representations of a(1), ..., a(n-1).

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	0
5	2
6	1
7	2
8	2
9	3
10	1
11	7
12	1
13	11
14	2
15	5
16	5
17	7
18	7
19	9
20	0
21	12
22	1
23	30
24	2
25	12
26	2
27	14
28	4
29	3
30	26
31	4
32	4
33	5
34	15
35	13
36	7
37	24
38	0
39	34
40	0
41	39
42	2
43	27
44	3
45	45
46	3
47	49
48	0
49	49
50	1
51	89
52	2
53	36
54	2
55	39
56	3
57	60
58	3
59	66
60	1
61	112
62	2
63	45
64	4
65	19
66	6
67	26
68	6
69	28
70	6
71	30
72	12
73	12
74	13
75	20
76	4

n	a(n)
1	0
2	0
3	1
4	0
5	2
6	1
7	2
8	2
9	3
10	1
11	7
12	1
13	11
14	2
15	5
16	5
17	7
18	7
19	9
20	0
21	12
22	1
23	30
24	2
25	12
26	2
27	14
28	4
29	3
30	26
31	4
32	4
33	5
34	15
35	13
36	7
37	24
38	0
39	34
40	0
41	39
42	2
43	27
44	3
45	45
46	3
47	49
48	0
49	49
50	1
51	89
52	2
53	36
54	2
55	39
56	3
57	60
58	3
59	66
60	1
61	112
62	2
63	45
64	4
65	19
66	6
67	26
68	6
69	28
70	6
71	30
72	12
73	12
74	13
75	20
76	4

n	a(n)
1	0
2	0
3	1
4	0
5	2
6	1
7	2
8	2
9	3
10	1
11	7
12	1
13	11
14	2
15	5
16	5
17	7
18	7
19	9
20	0
21	12
22	1
23	30
24	2
25	12
26	2
27	14
28	4
29	3
30	26
31	4
32	4
33	5
34	15
35	13
36	7
37	24
38	0
39	34
40	0
41	39
42	2
43	27
44	3
45	45
46	3
47	49
48	0
49	49
50	1
51	89
52	2
53	36
54	2
55	39
56	3
57	60
58	3
59	66
60	1
61	112
62	2
63	45
64	4
65	19
66	6
67	26
68	6
69	28
70	6
71	30
72	12
73	12
74	13
75	20
76	4