A350647 - cp's OEIS frontend

A350647 Number T(n,k) of partitions of [n] having k blocks containing their own index when blocks are ordered with decreasing largest elements; triangle T(n,k), n>=0, 0<=k<=ceiling(n/2), read by rows.

n	a(n)
0	1
1	0
2	1
3	1
4	1
5	1
6	3
7	1
8	6
9	7
10	2
11	16
12	25
13	10
14	1
15	73
16	91
17	35
18	4
19	298
20	390
21	163
22	25
23	1
24	1453
25	1797
26	755
27	128
28	7
29	7366
30	9069
31	3919
32	737
33	55
34	1
35	40689
36	49106
37	21485
38	4304
39	380
40	11
41	238258
42	284537
43	126273
44	26695
45	2696
46	110
47	1
48	1483306
49	1751554
50	785435
51	173038
52	19272
53	976
54	16

[1, 0, 1, 1, 1, 1, 3, 1, 6, 7, 2, 16, 25, 10, 1, 73, 91, 35, 4, 298, 390, 163, 25, 1, 1453, 1797, 755, 128, 7, 7366, 9069, 3919, 737, 55, 1, 40689, 49106, 21485, 4304, 380, 11, 238258, 284537, 126273, 26695, 2696, 110, 1, 1483306, 1751554, 785435, 173038, 19272, 976, 16]

cp's OEIS Frontend

A350647 Number T(n,k) of partitions of [n] having k blocks containing their own index when blocks are ordered with decreasing largest elements; triangle T(n,k), n>=0, 0<=k<=ceiling(n/2), read by rows.

Table of values

List of values