Number of (3+1) X (n+1) 0..2 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction.
A250945
Number of (3+1) X (n+1) 0..2 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction.
Terms
- a(0) =413a(1) =2812a(2) =16208a(3) =87529a(4) =442409a(5) =2130148a(6) =9865706a(7) =44282475a(8) =193738371a(9) =829672404a(10) =3489686970a(11) =14454185655a(12) =59084278573a(13) =238768911154a(14) =955319655916
External references
- oeis: A250945