A081521 - OEIS

A081521 as a simple table

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

[1,1,3,1,4,7,1,3,5,7,1,2,3,6,8,1,5,7,11,13,17,1,2, 3,4,5,8,12,1,3,5,7,9,11,13,15,1,2,4,5,7,8,10,13, 22,1,3,7,9,11,13,17,19,21,29,1,2,3,4,5,6,7,8,9,12, 20]

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

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

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