A058142 - cp's OEIS frontend

A058142 Triangle read by rows: number of commutative monoids of order n with k idempotents.

n	a(n)
1	1
2	1
3	1
4	1
5	3
6	1
7	2
8	9
9	6
10	2
11	1
12	26
13	30
14	16
15	5
16	1
17	98
18	142
19	111
20	54
21	15
22	1
23	455
24	718
25	713
26	482
27	215
28	53
29	3
30	4018
31	4277
32	4637
33	3919
34	2414
35	996
36	222
37	2
38	101910
39	36124
40	32937
41	31308
42	24047
43	13758
44	5294
45	1078
46	1
47	10054303
48	708355
49	290278
50	260758
51	229411
52	164216
53	88178
54	31867
55	5994

[1, 1, 1, 1, 3, 1, 2, 9, 6, 2, 1, 26, 30, 16, 5, 1, 98, 142, 111, 54, 15, 1, 455, 718, 713, 482, 215, 53, 3, 4018, 4277, 4637, 3919, 2414, 996, 222, 2, 101910, 36124, 32937, 31308, 24047, 13758, 5294, 1078, 1, 10054303, 708355, 290278, 260758, 229411, 164216, 88178, 31867, 5994]

cp's OEIS Frontend

A058142 Triangle read by rows: number of commutative monoids of order n with k idempotents.

Table of values

List of values