A159905 - cp's OEIS frontend

A159905 Triangle read by rows, Mobius transform of A004736.

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

[1, 1, 1, 2, 2, 1, 2, 2, 2, 1, 4, 4, 3, 2, 1, 2, 2, 3, 3, 2, 1, 6, 6, 5, 4, 3, 2, 1, 4, 4, 4, 4, 4, 3, 2, 1, 6, 6, 6, 6, 5, 4, 3, 2, 1, 4, 4, 5, 5, 5, 5, 4, 3, 2, 1, 10, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 4, 4, 4, 5, 6, 6, 6, 5, 4, 3, 2, 1]

cp's OEIS Frontend

A159905 Triangle read by rows, Mobius transform of A004736.

Table of values

List of values

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

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

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