A127125 - cp's OEIS frontend

A127125 Triangle read by rows: T(n,k) is the number of endofunctions on n objects where the multiset of loop sizes forms the k-th partition in Mathematica ordering.

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

[1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 4, 3, 3, 1, 2, 1, 1, 1, 1, 1, 1, 9, 6, 6, 3, 6, 3, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 20, 16, 16, 9, 15, 7, 4, 6, 4, 7, 3, 1, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 48, 37, 37, 23, 41, 18, 11, 18, 9, 18, 7, 4, 7, 7, 7, 7, 7, 3, 1, 2, 2, 2, 1, 3, 2, 1, 2, 2, 1, 1, 1]

cp's OEIS Frontend

A127125 Triangle read by rows: T(n,k) is the number of endofunctions on n objects where the multiset of loop sizes forms the k-th partition in Mathematica ordering.

Table of values

List of values

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

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

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