A220619 - cp's OEIS frontend

A220619 Number of ways to reciprocally link elements of an nX6 array either to themselves or to exactly one horizontal, diagonal and antidiagonal neighbor.

n	a(n)
1	13
2	1215
3	76955
4	5280827
5	356768525
6	24177895648
7	1637496710797
8	110916199227139
9	7512747980759983
10	508867505795261823
11	34467532553765146717
12	2334617570886588879553
13	158132555108084876751600

[13, 1215, 76955, 5280827, 356768525, 24177895648, 1637496710797, 110916199227139, 7512747980759983, 508867505795261823, 34467532553765146717, 2334617570886588879553, 158132555108084876751600]

cp's OEIS Frontend

A220619 Number of ways to reciprocally link elements of an nX6 array either to themselves or to exactly one horizontal, diagonal and antidiagonal neighbor.

Table of values

List of values