A182628 - cp's OEIS frontend

A182628 Triangle T(n,k) read by rows in which row n lists the number of digits of the binary expansion of the divisors of n.

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	1
7	2
8	3
9	1
10	3
11	1
12	2
13	2
14	3
15	1
16	3
17	1
18	2
19	3
20	4
21	1
22	2
23	4
24	1
25	2
26	3
27	4
28	1
29	4
30	1
31	2
32	2
33	3
34	3
35	4
36	1
37	4
38	1
39	2
40	3
41	4
42	1
43	2
44	3
45	4
46	1
47	2
48	3
49	4
50	5
51	1
52	5
53	1
54	2
55	2
56	3
57	4
58	5
59	1
60	5
61	1
62	2
63	3
64	3
65	4
66	5
67	1
68	2
69	3
70	5
71	1
72	2
73	4
74	5
75	1
76	5
77	1
78	2
79	2

[1, 1, 2, 1, 2, 1, 2, 3, 1, 3, 1, 2, 2, 3, 1, 3, 1, 2, 3, 4, 1, 2, 4, 1, 2, 3, 4, 1, 4, 1, 2, 2, 3, 3, 4, 1, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 5, 1, 5, 1, 2, 2, 3, 4, 5, 1, 5, 1, 2, 3, 3, 4, 5, 1, 2, 3, 5, 1, 2, 4, 5, 1, 5, 1, 2, 2]

cp's OEIS Frontend

A182628 Triangle T(n,k) read by rows in which row n lists the number of digits of the binary expansion of the divisors of n.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	1
7	2
8	3
9	1
10	3
11	1
12	2
13	2
14	3
15	1
16	3
17	1
18	2
19	3
20	4
21	1
22	2
23	4
24	1
25	2
26	3
27	4
28	1
29	4
30	1
31	2
32	2
33	3
34	3
35	4
36	1
37	4
38	1
39	2
40	3
41	4
42	1
43	2
44	3
45	4
46	1
47	2
48	3
49	4
50	5
51	1
52	5
53	1
54	2
55	2
56	3
57	4
58	5
59	1
60	5
61	1
62	2
63	3
64	3
65	4
66	5
67	1
68	2
69	3
70	5
71	1
72	2
73	4
74	5
75	1
76	5
77	1
78	2
79	2

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	1
7	2
8	3
9	1
10	3
11	1
12	2
13	2
14	3
15	1
16	3
17	1
18	2
19	3
20	4
21	1
22	2
23	4
24	1
25	2
26	3
27	4
28	1
29	4
30	1
31	2
32	2
33	3
34	3
35	4
36	1
37	4
38	1
39	2
40	3
41	4
42	1
43	2
44	3
45	4
46	1
47	2
48	3
49	4
50	5
51	1
52	5
53	1
54	2
55	2
56	3
57	4
58	5
59	1
60	5
61	1
62	2
63	3
64	3
65	4
66	5
67	1
68	2
69	3
70	5
71	1
72	2
73	4
74	5
75	1
76	5
77	1
78	2
79	2

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	1
7	2
8	3
9	1
10	3
11	1
12	2
13	2
14	3
15	1
16	3
17	1
18	2
19	3
20	4
21	1
22	2
23	4
24	1
25	2
26	3
27	4
28	1
29	4
30	1
31	2
32	2
33	3
34	3
35	4
36	1
37	4
38	1
39	2
40	3
41	4
42	1
43	2
44	3
45	4
46	1
47	2
48	3
49	4
50	5
51	1
52	5
53	1
54	2
55	2
56	3
57	4
58	5
59	1
60	5
61	1
62	2
63	3
64	3
65	4
66	5
67	1
68	2
69	3
70	5
71	1
72	2
73	4
74	5
75	1
76	5
77	1
78	2
79	2