Number of nX6 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.
A197894
Number of nX6 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) =8a(1) =186a(2) =3046a(3) =46988a(4) =821491a(5) =13332946a(6) =222339185a(7) =3713421692a(8) =61711530462
External references
- oeis: A197894