A035306 - cp's OEIS frontend

A035306 List prime factors of each number in order (each prime factor is followed by its power). Start with 1 = {1,1}.

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

[1, 1, 2, 1, 3, 1, 2, 2, 5, 1, 2, 1, 3, 1, 7, 1, 2, 3, 3, 2, 2, 1, 5, 1, 11, 1, 2, 2, 3, 1, 13, 1, 2, 1, 7, 1, 3, 1, 5, 1, 2, 4, 17, 1, 2, 1, 3, 2, 19, 1, 2, 2, 5, 1, 3, 1, 7, 1, 2, 1, 11, 1, 23, 1, 2, 3, 3, 1, 5, 2, 2, 1, 13, 1, 3, 3, 2, 2, 7, 1, 29, 1, 2, 1, 3, 1, 5, 1, 31, 1, 2, 5, 3, 1, 11, 1, 2]

cp's OEIS Frontend

A035306 List prime factors of each number in order (each prime factor is followed by its power). Start with 1 = {1,1}.

Table of values

List of values

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

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

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