Number of 3 X n integer arrays with each element equal to the number of horizontal and antidiagonal neighbors exactly one smaller than itself.

A266103

Number of 3 X n integer arrays with each element equal to the number of horizontal and antidiagonal neighbors exactly one smaller than itself.

Terms

    a(0) =1a(1) =16a(2) =64a(3) =161a(4) =736a(5) =3846a(6) =16103a(7) =62778a(8) =274466a(9) =1238762a(10) =5293041a(11) =22276043a(12) =96335136a(13) =419550430a(14) =1803305352a(15) =7726652568a(16) =33323635453a(17) =143929545318a(18) =619694522447

External references