Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,2,1,1,1 for x=0,1,2,3,4.
A197888
Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,2,1,1,1 for x=0,1,2,3,4.
Terms
- a(0) =3a(1) =78a(2) =529a(3) =10827a(4) =92843a(5) =1134527a(6) =13253562a(7) =145351090a(8) =1728849664a(9) =19259087568a(10) =227927217325
External references
- oeis: A197888