A214972 - cp's OEIS frontend

A214972 a(n) = a(floor(2*(n-1)/3)) + 1, where a(0) = 0.

n	a(n)
0	0
1	1
2	1
3	2
4	2
5	2
6	3
7	3
8	3
9	3
10	4
11	4
12	4
13	4
14	4
15	4
16	5
17	5
18	5
19	5
20	5
21	5
22	5
23	5
24	5
25	6
26	6
27	6
28	6
29	6
30	6
31	6
32	6
33	6
34	6
35	6
36	6
37	6
38	6
39	7
40	7
41	7
42	7
43	7
44	7
45	7
46	7
47	7
48	7
49	7
50	7
51	7
52	7
53	7
54	7
55	7
56	7
57	7
58	7
59	7
60	8
61	8
62	8
63	8
64	8
65	8
66	8
67	8
68	8
69	8
70	8
71	8
72	8
73	8
74	8
75	8
76	8
77	8
78	8
79	8
80	8
81	8
82	8
83	8
84	8
85	8
86	8
87	8
88	8
89	8
90	8
91	9
92	9
93	9
94	9
95	9
96	9
97	9
98	9

[0, 1, 1, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9]

cp's OEIS Frontend

A214972 a(n) = a(floor(2*(n-1)/3)) + 1, where a(0) = 0.

Table of values

List of values

n	a(n)
0	0
1	1
2	1
3	2
4	2
5	2
6	3
7	3
8	3
9	3
10	4
11	4
12	4
13	4
14	4
15	4
16	5
17	5
18	5
19	5
20	5
21	5
22	5
23	5
24	5
25	6
26	6
27	6
28	6
29	6
30	6
31	6
32	6
33	6
34	6
35	6
36	6
37	6
38	6
39	7
40	7
41	7
42	7
43	7
44	7
45	7
46	7
47	7
48	7
49	7
50	7
51	7
52	7
53	7
54	7
55	7
56	7
57	7
58	7
59	7
60	8
61	8
62	8
63	8
64	8
65	8
66	8
67	8
68	8
69	8
70	8
71	8
72	8
73	8
74	8
75	8
76	8
77	8
78	8
79	8
80	8
81	8
82	8
83	8
84	8
85	8
86	8
87	8
88	8
89	8
90	8
91	9
92	9
93	9
94	9
95	9
96	9
97	9
98	9

n	a(n)
0	0
1	1
2	1
3	2
4	2
5	2
6	3
7	3
8	3
9	3
10	4
11	4
12	4
13	4
14	4
15	4
16	5
17	5
18	5
19	5
20	5
21	5
22	5
23	5
24	5
25	6
26	6
27	6
28	6
29	6
30	6
31	6
32	6
33	6
34	6
35	6
36	6
37	6
38	6
39	7
40	7
41	7
42	7
43	7
44	7
45	7
46	7
47	7
48	7
49	7
50	7
51	7
52	7
53	7
54	7
55	7
56	7
57	7
58	7
59	7
60	8
61	8
62	8
63	8
64	8
65	8
66	8
67	8
68	8
69	8
70	8
71	8
72	8
73	8
74	8
75	8
76	8
77	8
78	8
79	8
80	8
81	8
82	8
83	8
84	8
85	8
86	8
87	8
88	8
89	8
90	8
91	9
92	9
93	9
94	9
95	9
96	9
97	9
98	9

n	a(n)
0	0
1	1
2	1
3	2
4	2
5	2
6	3
7	3
8	3
9	3
10	4
11	4
12	4
13	4
14	4
15	4
16	5
17	5
18	5
19	5
20	5
21	5
22	5
23	5
24	5
25	6
26	6
27	6
28	6
29	6
30	6
31	6
32	6
33	6
34	6
35	6
36	6
37	6
38	6
39	7
40	7
41	7
42	7
43	7
44	7
45	7
46	7
47	7
48	7
49	7
50	7
51	7
52	7
53	7
54	7
55	7
56	7
57	7
58	7
59	7
60	8
61	8
62	8
63	8
64	8
65	8
66	8
67	8
68	8
69	8
70	8
71	8
72	8
73	8
74	8
75	8
76	8
77	8
78	8
79	8
80	8
81	8
82	8
83	8
84	8
85	8
86	8
87	8
88	8
89	8
90	8
91	9
92	9
93	9
94	9
95	9
96	9
97	9
98	9