Number of (n+1)X2 0..2 arrays with every 2X2 subblock diagonal sum less antidiagonal sum equal to some horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum.
A185498
Number of (n+1)X2 0..2 arrays with every 2X2 subblock diagonal sum less antidiagonal sum equal to some horizontal or vertical neighbor 2X2 subblock diagonal sum less antidiagonal sum.
Terms
- a(0) =0a(1) =99a(2) =163a(3) =1107a(4) =2887a(5) =13347a(6) =43105a(7) =174081a(8) =613897a(9) =2364597a(10) =8617105a(11) =32495955a(12) =119862859a(13) =448215555a(14) =1661092927a(15) =6192979083a(16) =23001089833a(17) =85659616761a(18) =318444543841
External references
- oeis: A185498