Number of ways to reciprocally link elements of an 6 X n array either to themselves or to exactly two horizontal, diagonal and antidiagonal neighbors, without consecutive collinear links.
A220743
Number of ways to reciprocally link elements of an 6 X n array either to themselves or to exactly two horizontal, diagonal and antidiagonal neighbors, without consecutive collinear links.
Terms
- a(0) =1a(1) =32a(2) =949a(3) =45421a(4) =2027456a(5) =94226589a(6) =4335687696a(7) =201959426140
External references
- oeis: A220743