Number of nX2 integer arrays with each element equal to the number of horizontal, vertical and antidiagonal neighbors less than itself.
A265874
Number of nX2 integer arrays with each element equal to the number of horizontal, vertical and antidiagonal neighbors less than itself.
Terms
- a(0) =3a(1) =25a(2) =137a(3) =2084a(4) =14854a(5) =136969a(6) =1288011a(7) =10892624a(8) =100704674a(9) =892590671a(10) =7950193635a(11) =71567811760a(12) =637199515774
External references
- oeis: A265874