Number of nX5 0..2 arrays with no element equal to any value at offset (0,-2) (-1,-2) or (-2,-1) and new values introduced in order 0..2.

A275087

Number of nX5 0..2 arrays with no element equal to any value at offset (0,-2) (-1,-2) or (-2,-1) and new values introduced in order 0..2.

Terms

    a(0) =12a(1) =288a(2) =1680a(3) =12816a(4) =87924a(5) =647648a(6) =4706400a(7) =34281472a(8) =248629316a(9) =1807849760a(10) =13148091944a(11) =95586744116a(12) =694768673948

External references