A064067 - cp's OEIS frontend

A064067 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)=1, a(1)=2.

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

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

cp's OEIS Frontend

A064067 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)=1, a(1)=2.

Table of values

List of values

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

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

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