A064065 - cp's OEIS frontend

A064065 n-th step is to add a(n) to each previous number a(k) (excluding itself, i.e., k < n) to produce n more terms of the sequence, starting with a(0)=0, a(1)=1.

n	a(n)
0	0
1	1
2	1
3	1
4	2
5	1
6	2
7	2
8	2
9	3
10	3
11	3
12	1
13	2
14	2
15	2
16	3
17	2
18	3
19	3
20	3
21	4
22	3
23	2
24	3
25	3
26	3
27	4
28	3
29	4
30	2
31	3
32	3
33	3
34	4
35	3
36	4
37	4
38	3
39	4
40	4
41	4
42	5
43	4
44	5
45	5
46	5
47	3
48	4
49	4
50	4
51	5
52	4
53	5
54	5
55	5
56	6
57	3
58	4
59	4
60	4
61	5
62	4
63	5
64	5
65	5
66	6
67	6
68	1
69	2
70	2
71	2
72	3
73	2
74	3
75	3
76	3
77	4
78	4
79	4
80	2
81	3
82	3
83	3
84	4
85	3
86	4
87	4
88	4
89	5
90	5
91	5
92	3
93	2
94	3
95	3
96	3
97	4
98	3
99	4
100	4
101	4
102	5
103	5
104	5

[0, 1, 1, 1, 2, 1, 2, 2, 2, 3, 3, 3, 1, 2, 2, 2, 3, 2, 3, 3, 3, 4, 3, 2, 3, 3, 3, 4, 3, 4, 2, 3, 3, 3, 4, 3, 4, 4, 3, 4, 4, 4, 5, 4, 5, 5, 5, 3, 4, 4, 4, 5, 4, 5, 5, 5, 6, 3, 4, 4, 4, 5, 4, 5, 5, 5, 6, 6, 1, 2, 2, 2, 3, 2, 3, 3, 3, 4, 4, 4, 2, 3, 3, 3, 4, 3, 4, 4, 4, 5, 5, 5, 3, 2, 3, 3, 3, 4, 3, 4, 4, 4, 5, 5, 5]

cp's OEIS Frontend

A064065 n-th step is to add a(n) to each previous number a(k) (excluding itself, i.e., k < n) to produce n more terms of the sequence, starting with a(0)=0, a(1)=1.

Table of values

List of values

n	a(n)
0	0
1	1
2	1
3	1
4	2
5	1
6	2
7	2
8	2
9	3
10	3
11	3
12	1
13	2
14	2
15	2
16	3
17	2
18	3
19	3
20	3
21	4
22	3
23	2
24	3
25	3
26	3
27	4
28	3
29	4
30	2
31	3
32	3
33	3
34	4
35	3
36	4
37	4
38	3
39	4
40	4
41	4
42	5
43	4
44	5
45	5
46	5
47	3
48	4
49	4
50	4
51	5
52	4
53	5
54	5
55	5
56	6
57	3
58	4
59	4
60	4
61	5
62	4
63	5
64	5
65	5
66	6
67	6
68	1
69	2
70	2
71	2
72	3
73	2
74	3
75	3
76	3
77	4
78	4
79	4
80	2
81	3
82	3
83	3
84	4
85	3
86	4
87	4
88	4
89	5
90	5
91	5
92	3
93	2
94	3
95	3
96	3
97	4
98	3
99	4
100	4
101	4
102	5
103	5
104	5

n	a(n)
0	0
1	1
2	1
3	1
4	2
5	1
6	2
7	2
8	2
9	3
10	3
11	3
12	1
13	2
14	2
15	2
16	3
17	2
18	3
19	3
20	3
21	4
22	3
23	2
24	3
25	3
26	3
27	4
28	3
29	4
30	2
31	3
32	3
33	3
34	4
35	3
36	4
37	4
38	3
39	4
40	4
41	4
42	5
43	4
44	5
45	5
46	5
47	3
48	4
49	4
50	4
51	5
52	4
53	5
54	5
55	5
56	6
57	3
58	4
59	4
60	4
61	5
62	4
63	5
64	5
65	5
66	6
67	6
68	1
69	2
70	2
71	2
72	3
73	2
74	3
75	3
76	3
77	4
78	4
79	4
80	2
81	3
82	3
83	3
84	4
85	3
86	4
87	4
88	4
89	5
90	5
91	5
92	3
93	2
94	3
95	3
96	3
97	4
98	3
99	4
100	4
101	4
102	5
103	5
104	5

n	a(n)
0	0
1	1
2	1
3	1
4	2
5	1
6	2
7	2
8	2
9	3
10	3
11	3
12	1
13	2
14	2
15	2
16	3
17	2
18	3
19	3
20	3
21	4
22	3
23	2
24	3
25	3
26	3
27	4
28	3
29	4
30	2
31	3
32	3
33	3
34	4
35	3
36	4
37	4
38	3
39	4
40	4
41	4
42	5
43	4
44	5
45	5
46	5
47	3
48	4
49	4
50	4
51	5
52	4
53	5
54	5
55	5
56	6
57	3
58	4
59	4
60	4
61	5
62	4
63	5
64	5
65	5
66	6
67	6
68	1
69	2
70	2
71	2
72	3
73	2
74	3
75	3
76	3
77	4
78	4
79	4
80	2
81	3
82	3
83	3
84	4
85	3
86	4
87	4
88	4
89	5
90	5
91	5
92	3
93	2
94	3
95	3
96	3
97	4
98	3
99	4
100	4
101	4
102	5
103	5
104	5