Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,3,0,2,4 for x=0,1,2,3,4.
A196318
Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,3,0,2,4 for x=0,1,2,3,4.
Terms
- a(0) =3a(1) =23a(2) =88a(3) =495a(4) =2255a(5) =10934a(6) =54081a(7) =264797a(8) =1296124a(9) =6337697a(10) =31018085a(11) =151848926a(12) =743248211a(13) =3637769547a(14) =17804967270a(15) =87147406785a(16) =426548340739
External references
- oeis: A196318