A108581 - OEIS

A108581 as a simple table

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

[1,3,3,3,6,6,6,6,6,6,10,10,10,10,10,10,10,10,10, 10,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15, 21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21, 21,21,21,21,21,28,28,28,28,28,28,28,28,28,28,28, 28,28,28,28,28,28]

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

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

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