Number of nX2 integer arrays with each element equal to the number of horizontal, vertical, diagonal and antidiagonal neighbors less than itself.
A265956
Number of nX2 integer arrays with each element equal to the number of horizontal, vertical, diagonal and antidiagonal neighbors less than itself.
Terms
- a(0) =3a(1) =75a(2) =235a(3) =4267a(4) =72764a(5) =527311a(6) =7155883a(7) =100785131a(8) =1027584101a(9) =12833963832a(10) =165303275897
External references
- oeis: A265956