A043265 - OEIS

A043265 as a simple table

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

[0,1,2,3,4,5,2,4,6,8,10,2,3,4,5,6,7,4,5,6,7,8,9,6, 7,8,9,10,11,8,9,10,11,12,13,10,11,12,13,14,15,2,4, 6,8,10,12,4,6,8,10,12,14,6,8,10,12,14,16,8,10,12, 14,16,18,10,12,14,16,18,20,2,3,4]

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

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

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