Number of (n+2)X4 0..2 arrays with every 3X3 subblock having three strictly increasing elements in a row horizontally or vertically.

A204495

Number of (n+2)X4 0..2 arrays with every 3X3 subblock having three strictly increasing elements in a row horizontally or vertically.

Terms

    a(0) =46458a(1) =339311a(2) =3418839a(3) =42736635a(4) =493398441a(5) =5506995671a(6) =66134172894a(7) =768258278406

External references