A358481 - cp's OEIS frontend

A358481 a(n) is the number of different pairs of shortest grid paths joining two opposite corners in opposite order in an n X n X n grid without having middle point on their paths as a common point.

n	a(n)
1	30
2	6218
3	2658432
4	1054788750
5	552306591900
6	269380692717696
7	155175092086118400
8	83798883891736779150
9	50885239237727996887500
10	29198209396114625497699068
11	18332853214682572877389897728
12	10951674446687597386319569942656
13	7036938452279110885561897815723264
14	4325988198220149508865311059521280000

[30, 6218, 2658432, 1054788750, 552306591900, 269380692717696, 155175092086118400, 83798883891736779150, 50885239237727996887500, 29198209396114625497699068, 18332853214682572877389897728, 10951674446687597386319569942656, 7036938452279110885561897815723264, 4325988198220149508865311059521280000]

cp's OEIS Frontend

A358481 a(n) is the number of different pairs of shortest grid paths joining two opposite corners in opposite order in an n X n X n grid without having middle point on their paths as a common point.

Table of values

List of values