Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,2,1,0,1 for x=0,1,2,3,4.
A197801
Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,2,1,0,1 for x=0,1,2,3,4.
Terms
- a(0) =3a(1) =47a(2) =596a(3) =7185a(4) =84258a(5) =1003304a(6) =12108247a(7) =145415587a(8) =1741678883a(9) =20881671948a(10) =250537144927
External references
- oeis: A197801