A026311 - cp's OEIS frontend

A026311 n-th nonnegative integer k satisfying cos(k) > cos(k+1).

n	a(n)
1	0
2	1
3	2
4	6
5	7
6	8
7	13
8	14
9	15
10	19
11	20
12	21
13	25
14	26
15	27
16	31
17	32
18	33
19	34
20	38
21	39
22	40
23	44
24	45
25	46
26	50
27	51
28	52
29	57
30	58
31	59
32	63
33	64
34	65
35	69
36	70
37	71
38	75
39	76
40	77
41	78
42	82
43	83
44	84
45	88
46	89
47	90
48	94
49	95
50	96
51	101
52	102
53	103
54	107
55	108
56	109
57	113
58	114
59	115

[0, 1, 2, 6, 7, 8, 13, 14, 15, 19, 20, 21, 25, 26, 27, 31, 32, 33, 34, 38, 39, 40, 44, 45, 46, 50, 51, 52, 57, 58, 59, 63, 64, 65, 69, 70, 71, 75, 76, 77, 78, 82, 83, 84, 88, 89, 90, 94, 95, 96, 101, 102, 103, 107, 108, 109, 113, 114, 115]

cp's OEIS Frontend

A026311 n-th nonnegative integer k satisfying cos(k) > cos(k+1).

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	6
5	7
6	8
7	13
8	14
9	15
10	19
11	20
12	21
13	25
14	26
15	27
16	31
17	32
18	33
19	34
20	38
21	39
22	40
23	44
24	45
25	46
26	50
27	51
28	52
29	57
30	58
31	59
32	63
33	64
34	65
35	69
36	70
37	71
38	75
39	76
40	77
41	78
42	82
43	83
44	84
45	88
46	89
47	90
48	94
49	95
50	96
51	101
52	102
53	103
54	107
55	108
56	109
57	113
58	114
59	115

n	a(n)
1	0
2	1
3	2
4	6
5	7
6	8
7	13
8	14
9	15
10	19
11	20
12	21
13	25
14	26
15	27
16	31
17	32
18	33
19	34
20	38
21	39
22	40
23	44
24	45
25	46
26	50
27	51
28	52
29	57
30	58
31	59
32	63
33	64
34	65
35	69
36	70
37	71
38	75
39	76
40	77
41	78
42	82
43	83
44	84
45	88
46	89
47	90
48	94
49	95
50	96
51	101
52	102
53	103
54	107
55	108
56	109
57	113
58	114
59	115

n	a(n)
1	0
2	1
3	2
4	6
5	7
6	8
7	13
8	14
9	15
10	19
11	20
12	21
13	25
14	26
15	27
16	31
17	32
18	33
19	34
20	38
21	39
22	40
23	44
24	45
25	46
26	50
27	51
28	52
29	57
30	58
31	59
32	63
33	64
34	65
35	69
36	70
37	71
38	75
39	76
40	77
41	78
42	82
43	83
44	84
45	88
46	89
47	90
48	94
49	95
50	96
51	101
52	102
53	103
54	107
55	108
56	109
57	113
58	114
59	115