A322480 - cp's OEIS frontend

A322480 Irregular triangular array read by rows: T(n,k), n>=1, is the number of ordered factorizations corresponding to each unordered factorization, indexed by k.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	1
10	1
11	2
12	1
13	1
14	1
15	1
16	2
17	1
18	1
19	2
20	2
21	3
22	1
23	1
24	2
25	1
26	2
27	1
28	2
29	1
30	3
31	1
32	1
33	1
34	2
35	2
36	3
37	1
38	1
39	2
40	2
41	3
42	1
43	2
44	1
45	2
46	1
47	1
48	2
49	2
50	2
51	3
52	6
53	4
54	1
55	1
56	1
57	2
58	1
59	2
60	1
61	1
62	2
63	2
64	3
65	1
66	1
67	2
68	2
69	2
70	6
71	1
72	1
73	2
74	2
75	3
76	3
77	4
78	1
79	1
80	2
81	1
82	2
83	1
84	2
85	1
86	2
87	2
88	2
89	3
90	1
91	6
92	3
93	6
94	1
95	1
96	2
97	1
98	2
99	1
100	2
101	2
102	3
103	2
104	6
105	4
106	1
107	1
108	2
109	2
110	2
111	6
112	1
113	1
114	2
115	2
116	3
117	1
118	2
119	2
120	3
121	1
122	2
123	1
124	1
125	2
126	2
127	2
128	3
129	2
130	6
131	6
132	4
133	12
134	5

[1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 2, 2, 3, 1, 1, 2, 1, 2, 1, 2, 1, 3, 1, 1, 1, 2, 2, 3, 1, 1, 2, 2, 3, 1, 2, 1, 2, 1, 1, 2, 2, 2, 3, 6, 4, 1, 1, 1, 2, 1, 2, 1, 1, 2, 2, 3, 1, 1, 2, 2, 2, 6, 1, 1, 2, 2, 3, 3, 4, 1, 1, 2, 1, 2, 1, 2, 1, 2, 2, 2, 3, 1, 6, 3, 6, 1, 1, 2, 1, 2, 1, 2, 2, 3, 2, 6, 4, 1, 1, 2, 2, 2, 6, 1, 1, 2, 2, 3, 1, 2, 2, 3, 1, 2, 1, 1, 2, 2, 2, 3, 2, 6, 6, 4, 12, 5]

cp's OEIS Frontend

A322480 Irregular triangular array read by rows: T(n,k), n>=1, is the number of ordered factorizations corresponding to each unordered factorization, indexed by k.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	1
10	1
11	2
12	1
13	1
14	1
15	1
16	2
17	1
18	1
19	2
20	2
21	3
22	1
23	1
24	2
25	1
26	2
27	1
28	2
29	1
30	3
31	1
32	1
33	1
34	2
35	2
36	3
37	1
38	1
39	2
40	2
41	3
42	1
43	2
44	1
45	2
46	1
47	1
48	2
49	2
50	2
51	3
52	6
53	4
54	1
55	1
56	1
57	2
58	1
59	2
60	1
61	1
62	2
63	2
64	3
65	1
66	1
67	2
68	2
69	2
70	6
71	1
72	1
73	2
74	2
75	3
76	3
77	4
78	1
79	1
80	2
81	1
82	2
83	1
84	2
85	1
86	2
87	2
88	2
89	3
90	1
91	6
92	3
93	6
94	1
95	1
96	2
97	1
98	2
99	1
100	2
101	2
102	3
103	2
104	6
105	4
106	1
107	1
108	2
109	2
110	2
111	6
112	1
113	1
114	2
115	2
116	3
117	1
118	2
119	2
120	3
121	1
122	2
123	1
124	1
125	2
126	2
127	2
128	3
129	2
130	6
131	6
132	4
133	12
134	5

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	1
10	1
11	2
12	1
13	1
14	1
15	1
16	2
17	1
18	1
19	2
20	2
21	3
22	1
23	1
24	2
25	1
26	2
27	1
28	2
29	1
30	3
31	1
32	1
33	1
34	2
35	2
36	3
37	1
38	1
39	2
40	2
41	3
42	1
43	2
44	1
45	2
46	1
47	1
48	2
49	2
50	2
51	3
52	6
53	4
54	1
55	1
56	1
57	2
58	1
59	2
60	1
61	1
62	2
63	2
64	3
65	1
66	1
67	2
68	2
69	2
70	6
71	1
72	1
73	2
74	2
75	3
76	3
77	4
78	1
79	1
80	2
81	1
82	2
83	1
84	2
85	1
86	2
87	2
88	2
89	3
90	1
91	6
92	3
93	6
94	1
95	1
96	2
97	1
98	2
99	1
100	2
101	2
102	3
103	2
104	6
105	4
106	1
107	1
108	2
109	2
110	2
111	6
112	1
113	1
114	2
115	2
116	3
117	1
118	2
119	2
120	3
121	1
122	2
123	1
124	1
125	2
126	2
127	2
128	3
129	2
130	6
131	6
132	4
133	12
134	5

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	1
10	1
11	2
12	1
13	1
14	1
15	1
16	2
17	1
18	1
19	2
20	2
21	3
22	1
23	1
24	2
25	1
26	2
27	1
28	2
29	1
30	3
31	1
32	1
33	1
34	2
35	2
36	3
37	1
38	1
39	2
40	2
41	3
42	1
43	2
44	1
45	2
46	1
47	1
48	2
49	2
50	2
51	3
52	6
53	4
54	1
55	1
56	1
57	2
58	1
59	2
60	1
61	1
62	2
63	2
64	3
65	1
66	1
67	2
68	2
69	2
70	6
71	1
72	1
73	2
74	2
75	3
76	3
77	4
78	1
79	1
80	2
81	1
82	2
83	1
84	2
85	1
86	2
87	2
88	2
89	3
90	1
91	6
92	3
93	6
94	1
95	1
96	2
97	1
98	2
99	1
100	2
101	2
102	3
103	2
104	6
105	4
106	1
107	1
108	2
109	2
110	2
111	6
112	1
113	1
114	2
115	2
116	3
117	1
118	2
119	2
120	3
121	1
122	2
123	1
124	1
125	2
126	2
127	2
128	3
129	2
130	6
131	6
132	4
133	12
134	5