Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,4,0,2,3 for x=0,1,2,3,4.
A196339
Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,4,0,2,3 for x=0,1,2,3,4.
Terms
- a(0) =3a(1) =23a(2) =88a(3) =495a(4) =2223a(5) =10854a(6) =53647a(7) =262013a(8) =1280764a(9) =6254945a(10) =30578633a(11) =149503874a(12) =730808203a(13) =3572316883a(14) =17462371522a(15) =85361430021a(16) =417272087661
External references
- oeis: A196339