A258022 - cp's OEIS frontend

A258022 Nonnegative integers n with property that when starting from x=n, the map x -> floor(tan(x)) reaches [the fixed point] 0 (or any other integer less than 1 if such negative fixed points exist).

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

[0, 2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 24, 25, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 46, 47, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 68, 69, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81]

cp's OEIS Frontend

A258022 Nonnegative integers n with property that when starting from x=n, the map x -> floor(tan(x)) reaches [the fixed point] 0 (or any other integer less than 1 if such negative fixed points exist).

Table of values

List of values

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

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

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