A124010 - cp's OEIS frontend

A124010 Triangle in which first row is 0, n-th row (n>1) lists the exponents of distinct prime factors ("ordered prime signature") in the prime factorization of n.

n	a(n)
1	0
2	1
3	1
4	2
5	1
6	1
7	1
8	1
9	3
10	2
11	1
12	1
13	1
14	2
15	1
16	1
17	1
18	1
19	1
20	1
21	4
22	1
23	1
24	2
25	1
26	2
27	1
28	1
29	1
30	1
31	1
32	1
33	3
34	1
35	2
36	1
37	1
38	3
39	2
40	1
41	1
42	1
43	1
44	1
45	1
46	5
47	1
48	1
49	1
50	1
51	1
52	1
53	2
54	2
55	1
56	1
57	1
58	1
59	1
60	3
61	1
62	1
63	1
64	1
65	1
66	1
67	2
68	1
69	2
70	1
71	1
72	1
73	1
74	4
75	1
76	2
77	1
78	2
79	1
80	1
81	2
82	1
83	1
84	1
85	3
86	1
87	1
88	3
89	1
90	1
91	1
92	1
93	1
94	1
95	2
96	1
97	1
98	1
99	1
100	1
101	2
102	1
103	6
104	1
105	1
106	1
107	1
108	1
109	1
110	2
111	1
112	1
113	1
114	1
115	1
116	1
117	1
118	3
119	2
120	1

[0, 1, 1, 2, 1, 1, 1, 1, 3, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 4, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 3, 1, 2, 1, 1, 3, 2, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 4, 1, 2, 1, 2, 1, 1, 2, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 6, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 3, 2, 1]

cp's OEIS Frontend

A124010 Triangle in which first row is 0, n-th row (n>1) lists the exponents of distinct prime factors ("ordered prime signature") in the prime factorization of n.

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	2
5	1
6	1
7	1
8	1
9	3
10	2
11	1
12	1
13	1
14	2
15	1
16	1
17	1
18	1
19	1
20	1
21	4
22	1
23	1
24	2
25	1
26	2
27	1
28	1
29	1
30	1
31	1
32	1
33	3
34	1
35	2
36	1
37	1
38	3
39	2
40	1
41	1
42	1
43	1
44	1
45	1
46	5
47	1
48	1
49	1
50	1
51	1
52	1
53	2
54	2
55	1
56	1
57	1
58	1
59	1
60	3
61	1
62	1
63	1
64	1
65	1
66	1
67	2
68	1
69	2
70	1
71	1
72	1
73	1
74	4
75	1
76	2
77	1
78	2
79	1
80	1
81	2
82	1
83	1
84	1
85	3
86	1
87	1
88	3
89	1
90	1
91	1
92	1
93	1
94	1
95	2
96	1
97	1
98	1
99	1
100	1
101	2
102	1
103	6
104	1
105	1
106	1
107	1
108	1
109	1
110	2
111	1
112	1
113	1
114	1
115	1
116	1
117	1
118	3
119	2
120	1

n	a(n)
1	0
2	1
3	1
4	2
5	1
6	1
7	1
8	1
9	3
10	2
11	1
12	1
13	1
14	2
15	1
16	1
17	1
18	1
19	1
20	1
21	4
22	1
23	1
24	2
25	1
26	2
27	1
28	1
29	1
30	1
31	1
32	1
33	3
34	1
35	2
36	1
37	1
38	3
39	2
40	1
41	1
42	1
43	1
44	1
45	1
46	5
47	1
48	1
49	1
50	1
51	1
52	1
53	2
54	2
55	1
56	1
57	1
58	1
59	1
60	3
61	1
62	1
63	1
64	1
65	1
66	1
67	2
68	1
69	2
70	1
71	1
72	1
73	1
74	4
75	1
76	2
77	1
78	2
79	1
80	1
81	2
82	1
83	1
84	1
85	3
86	1
87	1
88	3
89	1
90	1
91	1
92	1
93	1
94	1
95	2
96	1
97	1
98	1
99	1
100	1
101	2
102	1
103	6
104	1
105	1
106	1
107	1
108	1
109	1
110	2
111	1
112	1
113	1
114	1
115	1
116	1
117	1
118	3
119	2
120	1

n	a(n)
1	0
2	1
3	1
4	2
5	1
6	1
7	1
8	1
9	3
10	2
11	1
12	1
13	1
14	2
15	1
16	1
17	1
18	1
19	1
20	1
21	4
22	1
23	1
24	2
25	1
26	2
27	1
28	1
29	1
30	1
31	1
32	1
33	3
34	1
35	2
36	1
37	1
38	3
39	2
40	1
41	1
42	1
43	1
44	1
45	1
46	5
47	1
48	1
49	1
50	1
51	1
52	1
53	2
54	2
55	1
56	1
57	1
58	1
59	1
60	3
61	1
62	1
63	1
64	1
65	1
66	1
67	2
68	1
69	2
70	1
71	1
72	1
73	1
74	4
75	1
76	2
77	1
78	2
79	1
80	1
81	2
82	1
83	1
84	1
85	3
86	1
87	1
88	3
89	1
90	1
91	1
92	1
93	1
94	1
95	2
96	1
97	1
98	1
99	1
100	1
101	2
102	1
103	6
104	1
105	1
106	1
107	1
108	1
109	1
110	2
111	1
112	1
113	1
114	1
115	1
116	1
117	1
118	3
119	2
120	1