Number of (n+1)X9 0..3 arrays with every 2x2 subblock summing to 6.
A183641
Number of (n+1)X9 0..3 arrays with every 2x2 subblock summing to 6.
Terms
- a(0) =302536a(1) =386404a(2) =563416a(3) =945364a(4) =1793416a(5) =3743524a(6) =8411896a(7) =20077684a(8) =50494696
External references
- oeis: A183641