A230344 - cp's OEIS frontend

A230344 Number of permutations of [2n+4] in which the longest increasing run has length n+4.

n	a(n)
0	1
1	10
2	137
3	2360
4	49236
5	1209936
6	34288800
7	1102187520
8	39656131200
9	1579837754880
10	69064610186880
11	3288126441600000
12	169388400557376000
13	9389435419203840000
14	557323393281887232000
15	35272416767753797632000
16	2371290445442664345600000

[1, 10, 137, 2360, 49236, 1209936, 34288800, 1102187520, 39656131200, 1579837754880, 69064610186880, 3288126441600000, 169388400557376000, 9389435419203840000, 557323393281887232000, 35272416767753797632000, 2371290445442664345600000]

cp's OEIS Frontend

A230344 Number of permutations of [2n+4] in which the longest increasing run has length n+4.

Table of values

List of values