A136546 - cp's OEIS frontend

A136546 Three-part semi-chaotic binary digit sum/product sequence modeled on a Rudin-Shapiro-type sequence like A014081.

n	a(n)
1	0
2	0
3	1
4	1
5	1
6	3
7	3
8	4
9	4
10	4
11	5
12	7
13	7
14	8
15	9
16	10
17	9
18	10
19	11
20	11
21	11
22	13
23	13
24	15
25	15
26	16
27	16
28	18
29	18
30	19
31	20
32	21
33	20
34	21
35	22
36	22
37	22
38	24
39	25
40	25
41	25
42	26
43	26
44	28
45	28
46	29
47	30
48	32
49	31
50	32

[0, 0, 1, 1, 1, 3, 3, 4, 4, 4, 5, 7, 7, 8, 9, 10, 9, 10, 11, 11, 11, 13, 13, 15, 15, 16, 16, 18, 18, 19, 20, 21, 20, 21, 22, 22, 22, 24, 25, 25, 25, 26, 26, 28, 28, 29, 30, 32, 31, 32]

cp's OEIS Frontend

A136546 Three-part semi-chaotic binary digit sum/product sequence modeled on a Rudin-Shapiro-type sequence like A014081.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	1
5	1
6	3
7	3
8	4
9	4
10	4
11	5
12	7
13	7
14	8
15	9
16	10
17	9
18	10
19	11
20	11
21	11
22	13
23	13
24	15
25	15
26	16
27	16
28	18
29	18
30	19
31	20
32	21
33	20
34	21
35	22
36	22
37	22
38	24
39	25
40	25
41	25
42	26
43	26
44	28
45	28
46	29
47	30
48	32
49	31
50	32

n	a(n)
1	0
2	0
3	1
4	1
5	1
6	3
7	3
8	4
9	4
10	4
11	5
12	7
13	7
14	8
15	9
16	10
17	9
18	10
19	11
20	11
21	11
22	13
23	13
24	15
25	15
26	16
27	16
28	18
29	18
30	19
31	20
32	21
33	20
34	21
35	22
36	22
37	22
38	24
39	25
40	25
41	25
42	26
43	26
44	28
45	28
46	29
47	30
48	32
49	31
50	32

n	a(n)
1	0
2	0
3	1
4	1
5	1
6	3
7	3
8	4
9	4
10	4
11	5
12	7
13	7
14	8
15	9
16	10
17	9
18	10
19	11
20	11
21	11
22	13
23	13
24	15
25	15
26	16
27	16
28	18
29	18
30	19
31	20
32	21
33	20
34	21
35	22
36	22
37	22
38	24
39	25
40	25
41	25
42	26
43	26
44	28
45	28
46	29
47	30
48	32
49	31
50	32