A056472 - cp's OEIS frontend

A056472 Triangle read by rows in which row n lists all factorizations of n.

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

[1, 2, 3, 4, 2, 2, 5, 6, 2, 3, 7, 8, 2, 4, 2, 2, 2, 9, 3, 3, 10, 2, 5, 11, 12, 2, 6, 2, 2, 3, 3, 4, 13, 14, 2, 7, 15, 3, 5, 16, 2, 8, 2, 2, 4, 2, 2, 2, 2, 4, 4, 17, 18, 2, 9, 2, 3, 3, 3, 6, 19, 20, 2, 10, 2, 2, 5, 4, 5, 21, 3, 7, 22, 2, 11, 23, 24, 2, 12, 2, 2]

cp's OEIS Frontend

A056472 Triangle read by rows in which row n lists all factorizations of n.

Table of values

List of values

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

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

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