A263513 - cp's OEIS frontend

A263513 Number of (n+1)X(2+1) arrays of permutations of 0..n*3+2 filled by rows with each element moved a city block distance of 0 or 1, and rows and columns in increasing lexicographic order.

n	a(n)
1	7
2	35
3	208
4	1198
5	7022
6	41035
7	240237
8	1406038
9	8230727
10	48180019
11	282036139
12	1650978414
13	9664491503
14	56573952014
15	331172398977
16	1938615771254
17	11348262181134
18	66430417127424
19	388870142636120
20	2276366675982209

[7, 35, 208, 1198, 7022, 41035, 240237, 1406038, 8230727, 48180019, 282036139, 1650978414, 9664491503, 56573952014, 331172398977, 1938615771254, 11348262181134, 66430417127424, 388870142636120, 2276366675982209]

cp's OEIS Frontend

A263513 Number of (n+1)X(2+1) arrays of permutations of 0..n*3+2 filled by rows with each element moved a city block distance of 0 or 1, and rows and columns in increasing lexicographic order.

Table of values

List of values