Number of (n+1)X3 0..2 arrays with every 2X2 subblock sum equal to some horizontal or vertical neighbor 2X2 subblock sum.
A185611
Number of (n+1)X3 0..2 arrays with every 2X2 subblock sum equal to some horizontal or vertical neighbor 2X2 subblock sum.
Terms
- a(0) =171a(1) =2121a(2) =24993a(3) =313105a(4) =3959747a(5) =50512903a(6) =646053371a(7) =8287005157a(8) =106415024441
External references
- oeis: A185611