A047888 - cp's OEIS frontend

A047888 Rectangular array of numbers a(n,k) = number of permutations of n things with longest increasing subsequence of length <= k (1 <= k <= oo), read by antidiagonals.

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	5
9	2
10	1
11	1
12	14
13	6
14	2
15	1
16	1
17	42
18	23
19	6
20	2
21	1
22	1
23	132
24	103
25	24
26	6
27	2
28	1
29	1
30	429
31	513
32	119
33	24
34	6
35	2
36	1
37	1
38	1430
39	2761
40	694
41	120
42	24
43	6
44	2
45	1
46	1
47	4862
48	15767
49	4582
50	719
51	120
52	24
53	6
54	2
55	1
56	1
57	16796
58	94359
59	33324
60	5003
61	720
62	120
63	24
64	6
65	2
66	1
67	1
68	58786
69	586590

[1, 1, 1, 1, 2, 1, 1, 5, 2, 1, 1, 14, 6, 2, 1, 1, 42, 23, 6, 2, 1, 1, 132, 103, 24, 6, 2, 1, 1, 429, 513, 119, 24, 6, 2, 1, 1, 1430, 2761, 694, 120, 24, 6, 2, 1, 1, 4862, 15767, 4582, 719, 120, 24, 6, 2, 1, 1, 16796, 94359, 33324, 5003, 720, 120, 24, 6, 2, 1, 1, 58786, 586590]

cp's OEIS Frontend

A047888 Rectangular array of numbers a(n,k) = number of permutations of n things with longest increasing subsequence of length <= k (1 <= k <= oo), read by antidiagonals.

Table of values

List of values