A262072 - cp's OEIS frontend

A262072 Number T(n,k) of partitions of an n-set with distinct block sizes and maximal block size equal to k; triangle T(n,k), n>=0, ceiling((sqrt(1+8*n)-1)/2)<=k<=n, read by rows.

n	a(n)
0	1
1	1
2	1
3	3
4	1
5	4
6	1
7	10
8	5
9	1
10	60
11	15
12	6
13	1
14	140
15	21
16	7
17	1
18	280
19	224
20	28
21	8
22	1
23	1260
24	630
25	336
26	36
27	9
28	1
29	12600
30	3780
31	1050
32	480
33	45
34	10
35	1
36	34650
37	7392
38	1650
39	660
40	55
41	11
42	1
43	110880
44	74844
45	12672
46	2475
47	880
48	66
49	12
50	1
51	360360
52	276276
53	140712
54	20592
55	3575
56	1144
57	78
58	13
59	1

[1, 1, 1, 3, 1, 4, 1, 10, 5, 1, 60, 15, 6, 1, 140, 21, 7, 1, 280, 224, 28, 8, 1, 1260, 630, 336, 36, 9, 1, 12600, 3780, 1050, 480, 45, 10, 1, 34650, 7392, 1650, 660, 55, 11, 1, 110880, 74844, 12672, 2475, 880, 66, 12, 1, 360360, 276276, 140712, 20592, 3575, 1144, 78, 13, 1]

cp's OEIS Frontend

A262072 Number T(n,k) of partitions of an n-set with distinct block sizes and maximal block size equal to k; triangle T(n,k), n>=0, ceiling((sqrt(1+8*n)-1)/2)<=k<=n, read by rows.

Table of values

List of values