A368657 - cp's OEIS frontend

A368657 Number of cycles in an n X n grid where the cycle cannot touch itself orthogonally or diagonally and must contain at least one inside point.

n	a(n)
1	0
2	0
3	1
4	13
5	167
6	2685
7	50391
8	1188935
9	41749885
10	2645126227
11	341643017303
12	82472721488013
13	31312529515504513
14	17381378412860375479
15	14419291783372365769995
16	18997663191047558313462721

[0, 0, 1, 13, 167, 2685, 50391, 1188935, 41749885, 2645126227, 341643017303, 82472721488013, 31312529515504513, 17381378412860375479, 14419291783372365769995, 18997663191047558313462721]

cp's OEIS Frontend

A368657 Number of cycles in an n X n grid where the cycle cannot touch itself orthogonally or diagonally and must contain at least one inside point.

Table of values

List of values