A126065 - cp's OEIS frontend

A126065 Triangle of numbers read by rows: T(n,k) = number of permutations sigma of (1,2,...,n) with n - {length of longest increasing subsequence in sigma} = k (0<=k<=n-1).

n	a(n)
1	1
2	1
3	1
4	1
5	4
6	1
7	1
8	9
9	13
10	1
11	1
12	16
13	61
14	41
15	1
16	1
17	25
18	181
19	381
20	131
21	1
22	1
23	36
24	421
25	1821
26	2332
27	428
28	1
29	1
30	49
31	841
32	6105
33	17557
34	14337
35	1429
36	1
37	1
38	64
39	1513
40	16465
41	83029
42	167449
43	89497
44	4861
45	1
46	1
47	81
48	2521
49	38281
50	296326
51	1100902
52	1604098
53	569794
54	16795
55	1

[1, 1, 1, 1, 4, 1, 1, 9, 13, 1, 1, 16, 61, 41, 1, 1, 25, 181, 381, 131, 1, 1, 36, 421, 1821, 2332, 428, 1, 1, 49, 841, 6105, 17557, 14337, 1429, 1, 1, 64, 1513, 16465, 83029, 167449, 89497, 4861, 1, 1, 81, 2521, 38281, 296326, 1100902, 1604098, 569794, 16795, 1]

cp's OEIS Frontend

A126065 Triangle of numbers read by rows: T(n,k) = number of permutations sigma of (1,2,...,n) with n - {length of longest increasing subsequence in sigma} = k (0<=k<=n-1).

Table of values

List of values