A020986 - cp's OEIS frontend

A020986 a(n) = n-th partial sum of Golay-Rudin-Shapiro sequence A020985.

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

[1, 2, 3, 2, 3, 4, 3, 4, 5, 6, 7, 6, 5, 4, 5, 4, 5, 6, 7, 6, 7, 8, 7, 8, 7, 6, 5, 6, 7, 8, 7, 8, 9, 10, 11, 10, 11, 12, 11, 12, 13, 14, 15, 14, 13, 12, 13, 12, 11, 10, 9, 10, 9, 8, 9, 8, 9, 10, 11, 10, 9, 8, 9, 8, 9, 10, 11, 10, 11, 12, 11, 12, 13, 14, 15, 14, 13, 12, 13, 12, 13, 14, 15, 14, 15, 16]

cp's OEIS Frontend

A020986 a(n) = n-th partial sum of Golay-Rudin-Shapiro sequence A020985.

Table of values

List of values

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

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

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