Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,0,1,1 for x=0,1,2,3,4.
A197892
Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,0,1,1 for x=0,1,2,3,4.
Terms
- a(0) =3a(1) =31a(2) =180a(3) =1141a(4) =7589a(5) =46988a(6) =307547a(7) =2021039a(8) =13090390a(9) =85028181a(10) =551562559a(11) =3578528548a(12) =23237970485a(13) =150848706421a(14) =979297967866
External references
- oeis: A197892