A146289 - cp's OEIS frontend

A146289 Triangle T(n,m) read by rows (n >= 1, 0 <= m <= A001221(n)), giving the number of divisors of n with m distinct prime factors.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	1
9	1
10	1
11	2
12	1
13	1
14	1
15	1
16	3
17	1
18	2
19	1
20	2
21	1
22	1
23	1
24	1
25	3
26	2
27	1
28	1
29	1
30	2
31	1
32	1
33	2
34	1
35	1
36	4
37	1
38	1
39	1
40	3
41	2
42	1
43	1
44	1
45	3
46	2
47	1
48	2
49	1
50	1
51	2
52	1
53	1
54	1
55	1
56	4
57	3
58	1
59	2
60	1
61	2
62	1
63	1
64	3
65	1
66	3
67	2
68	1
69	1
70	1
71	3
72	3
73	1
74	1
75	1
76	1
77	5
78	1
79	2
80	1
81	1
82	2
83	1
84	1
85	2
86	1
87	1
88	4
89	4
90	1
91	1
92	1
93	2
94	1
95	1
96	2
97	1
98	1
99	4
100	3
101	1
102	1
103	1
104	3
105	3

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

cp's OEIS Frontend

A146289 Triangle T(n,m) read by rows (n >= 1, 0 <= m <= A001221(n)), giving the number of divisors of n with m distinct prime factors.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	1
9	1
10	1
11	2
12	1
13	1
14	1
15	1
16	3
17	1
18	2
19	1
20	2
21	1
22	1
23	1
24	1
25	3
26	2
27	1
28	1
29	1
30	2
31	1
32	1
33	2
34	1
35	1
36	4
37	1
38	1
39	1
40	3
41	2
42	1
43	1
44	1
45	3
46	2
47	1
48	2
49	1
50	1
51	2
52	1
53	1
54	1
55	1
56	4
57	3
58	1
59	2
60	1
61	2
62	1
63	1
64	3
65	1
66	3
67	2
68	1
69	1
70	1
71	3
72	3
73	1
74	1
75	1
76	1
77	5
78	1
79	2
80	1
81	1
82	2
83	1
84	1
85	2
86	1
87	1
88	4
89	4
90	1
91	1
92	1
93	2
94	1
95	1
96	2
97	1
98	1
99	4
100	3
101	1
102	1
103	1
104	3
105	3

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	1
9	1
10	1
11	2
12	1
13	1
14	1
15	1
16	3
17	1
18	2
19	1
20	2
21	1
22	1
23	1
24	1
25	3
26	2
27	1
28	1
29	1
30	2
31	1
32	1
33	2
34	1
35	1
36	4
37	1
38	1
39	1
40	3
41	2
42	1
43	1
44	1
45	3
46	2
47	1
48	2
49	1
50	1
51	2
52	1
53	1
54	1
55	1
56	4
57	3
58	1
59	2
60	1
61	2
62	1
63	1
64	3
65	1
66	3
67	2
68	1
69	1
70	1
71	3
72	3
73	1
74	1
75	1
76	1
77	5
78	1
79	2
80	1
81	1
82	2
83	1
84	1
85	2
86	1
87	1
88	4
89	4
90	1
91	1
92	1
93	2
94	1
95	1
96	2
97	1
98	1
99	4
100	3
101	1
102	1
103	1
104	3
105	3

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	2
8	1
9	1
10	1
11	2
12	1
13	1
14	1
15	1
16	3
17	1
18	2
19	1
20	2
21	1
22	1
23	1
24	1
25	3
26	2
27	1
28	1
29	1
30	2
31	1
32	1
33	2
34	1
35	1
36	4
37	1
38	1
39	1
40	3
41	2
42	1
43	1
44	1
45	3
46	2
47	1
48	2
49	1
50	1
51	2
52	1
53	1
54	1
55	1
56	4
57	3
58	1
59	2
60	1
61	2
62	1
63	1
64	3
65	1
66	3
67	2
68	1
69	1
70	1
71	3
72	3
73	1
74	1
75	1
76	1
77	5
78	1
79	2
80	1
81	1
82	2
83	1
84	1
85	2
86	1
87	1
88	4
89	4
90	1
91	1
92	1
93	2
94	1
95	1
96	2
97	1
98	1
99	4
100	3
101	1
102	1
103	1
104	3
105	3