A139417 - OEIS

A139417 as a simple table

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

[1,1,4,9,9,18,18,9,18,27,27,27,18,27,27,18,27,18, 27,18,9,27,27,27,27,18,27,9,27,27,27,9,27,27,36, 27,27,27,18,27,27,27,27,27,36,36,9,27,27,18,36,36, 27,18,27,18,27,27,27,27,36,36,27,18,36,27,36]

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

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

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