A263817 - cp's OEIS frontend

A263817 Number of (1+1)X(n+1) arrays of permutations of 0..n*2+1 with each element having index change (+-,+-) 0,0 0,1 0,2 or 1,0.

n	a(n)
1	9
2	82
3	572
4	3682
5	25001
6	170946
7	1157993
8	7844192
9	53217648
10	360982800
11	2448043433
12	16602594594
13	112601971449
14	763678525370
15	5179331223772
16	35126741117978
17	238233127708969
18	1615720591473218
19	10957976653235217

[9, 82, 572, 3682, 25001, 170946, 1157993, 7844192, 53217648, 360982800, 2448043433, 16602594594, 112601971449, 763678525370, 5179331223772, 35126741117978, 238233127708969, 1615720591473218, 10957976653235217]

cp's OEIS Frontend

A263817 Number of (1+1)X(n+1) arrays of permutations of 0..n*2+1 with each element having index change (+-,+-) 0,0 0,1 0,2 or 1,0.

Table of values

List of values