A067255 - cp's OEIS frontend

A067255 Irregular triangle read by rows: row n gives exponents in prime factorization of n.

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

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

cp's OEIS Frontend

A067255 Irregular triangle read by rows: row n gives exponents in prime factorization of n.

Table of values

List of values

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

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

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