Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 2,0,1,3,4 for x=0,1,2,3,4.
A195970
Number of n X n 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 2,0,1,3,4 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =9a(2) =24a(3) =67a(4) =244a(5) =1280a(6) =5637a(7) =32909a(8) =212185a(9) =1609756a(10) =13476199a(11) =134461394
External references
- oeis: A195970