Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,1,1,0 for x=0,1,2,3,4.
A197349
Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,1,1,0 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =249a(2) =3155a(3) =71411a(4) =1367870a(5) =28226359a(6) =617973077a(7) =13101311077a(8) =275521117202
External references
- oeis: A197349