A253887 - cp's OEIS frontend

A253887 Row index of n in A191450: a(3n) = 2n, a(3n+1) = 2n+1, a(3n+2) = a(n+1).

n	a(n)
1	1
2	1
3	2
4	3
5	1
6	4
7	5
8	2
9	6
10	7
11	3
12	8
13	9
14	1
15	10
16	11
17	4
18	12
19	13
20	5
21	14
22	15
23	2
24	16
25	17
26	6
27	18
28	19
29	7
30	20
31	21
32	3
33	22
34	23
35	8
36	24
37	25
38	9
39	26
40	27
41	1
42	28
43	29
44	10
45	30
46	31
47	11
48	32
49	33
50	4
51	34
52	35
53	12
54	36
55	37
56	13
57	38
58	39
59	5
60	40
61	41
62	14
63	42
64	43
65	15
66	44
67	45
68	2
69	46
70	47
71	16
72	48
73	49
74	17
75	50
76	51
77	6
78	52
79	53
80	18
81	54
82	55
83	19
84	56
85	57
86	7

[1, 1, 2, 3, 1, 4, 5, 2, 6, 7, 3, 8, 9, 1, 10, 11, 4, 12, 13, 5, 14, 15, 2, 16, 17, 6, 18, 19, 7, 20, 21, 3, 22, 23, 8, 24, 25, 9, 26, 27, 1, 28, 29, 10, 30, 31, 11, 32, 33, 4, 34, 35, 12, 36, 37, 13, 38, 39, 5, 40, 41, 14, 42, 43, 15, 44, 45, 2, 46, 47, 16, 48, 49, 17, 50, 51, 6, 52, 53, 18, 54, 55, 19, 56, 57, 7]

cp's OEIS Frontend

A253887 Row index of n in A191450: a(3n) = 2n, a(3n+1) = 2n+1, a(3n+2) = a(n+1).

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	3
5	1
6	4
7	5
8	2
9	6
10	7
11	3
12	8
13	9
14	1
15	10
16	11
17	4
18	12
19	13
20	5
21	14
22	15
23	2
24	16
25	17
26	6
27	18
28	19
29	7
30	20
31	21
32	3
33	22
34	23
35	8
36	24
37	25
38	9
39	26
40	27
41	1
42	28
43	29
44	10
45	30
46	31
47	11
48	32
49	33
50	4
51	34
52	35
53	12
54	36
55	37
56	13
57	38
58	39
59	5
60	40
61	41
62	14
63	42
64	43
65	15
66	44
67	45
68	2
69	46
70	47
71	16
72	48
73	49
74	17
75	50
76	51
77	6
78	52
79	53
80	18
81	54
82	55
83	19
84	56
85	57
86	7

n	a(n)
1	1
2	1
3	2
4	3
5	1
6	4
7	5
8	2
9	6
10	7
11	3
12	8
13	9
14	1
15	10
16	11
17	4
18	12
19	13
20	5
21	14
22	15
23	2
24	16
25	17
26	6
27	18
28	19
29	7
30	20
31	21
32	3
33	22
34	23
35	8
36	24
37	25
38	9
39	26
40	27
41	1
42	28
43	29
44	10
45	30
46	31
47	11
48	32
49	33
50	4
51	34
52	35
53	12
54	36
55	37
56	13
57	38
58	39
59	5
60	40
61	41
62	14
63	42
64	43
65	15
66	44
67	45
68	2
69	46
70	47
71	16
72	48
73	49
74	17
75	50
76	51
77	6
78	52
79	53
80	18
81	54
82	55
83	19
84	56
85	57
86	7

n	a(n)
1	1
2	1
3	2
4	3
5	1
6	4
7	5
8	2
9	6
10	7
11	3
12	8
13	9
14	1
15	10
16	11
17	4
18	12
19	13
20	5
21	14
22	15
23	2
24	16
25	17
26	6
27	18
28	19
29	7
30	20
31	21
32	3
33	22
34	23
35	8
36	24
37	25
38	9
39	26
40	27
41	1
42	28
43	29
44	10
45	30
46	31
47	11
48	32
49	33
50	4
51	34
52	35
53	12
54	36
55	37
56	13
57	38
58	39
59	5
60	40
61	41
62	14
63	42
64	43
65	15
66	44
67	45
68	2
69	46
70	47
71	16
72	48
73	49
74	17
75	50
76	51
77	6
78	52
79	53
80	18
81	54
82	55
83	19
84	56
85	57
86	7