A120246 - cp's OEIS frontend

A120246 a(1) = 1. a(m(m+1)/2 + k) = m + a(k), 1 <= k <= m+1, m >= 1.

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

[1, 2, 3, 3, 4, 5, 4, 5, 6, 6, 5, 6, 7, 7, 8, 6, 7, 8, 8, 9, 10, 7, 8, 9, 9, 10, 11, 10, 8, 9, 10, 10, 11, 12, 11, 12, 9, 10, 11, 11, 12, 13, 12, 13, 14, 10, 11, 12, 12, 13, 14, 13, 14, 15, 15, 11, 12, 13, 13, 14, 15, 14, 15, 16, 16, 15, 12, 13, 14, 14, 15, 16, 15, 16, 17, 17, 16, 17, 13]

cp's OEIS Frontend

A120246 a(1) = 1. a(m(m+1)/2 + k) = m + a(k), 1 <= k <= m+1, m >= 1.

Table of values

List of values

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

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

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