A220600 - cp's OEIS frontend

A220600 Number of ways to reciprocally link elements of an nX6 array either to themselves or to exactly two horizontal, vertical and antidiagonal neighbors, without 3-loops.

n	a(n)
1	1
2	117
3	25747
4	3174778
5	352586943
6	41011388731
7	4807269151250
8	561355035745825
9	65523075831128720
10	7650441027984730028
11	893266330737712903338
12	104295209452828358545715
13	12177239947634323813819907

[1, 117, 25747, 3174778, 352586943, 41011388731, 4807269151250, 561355035745825, 65523075831128720, 7650441027984730028, 893266330737712903338, 104295209452828358545715, 12177239947634323813819907]

cp's OEIS Frontend

A220600 Number of ways to reciprocally link elements of an nX6 array either to themselves or to exactly two horizontal, vertical and antidiagonal neighbors, without 3-loops.

Table of values

List of values