Number of (n+1) X (2+1) 0..2 arrays with every 2 X 2 subblock diagonal maximum minus antidiagonal minimum unequal to its neighbors horizontally, vertically, diagonally and antidiagonally.

A253463

Number of (n+1) X (2+1) 0..2 arrays with every 2 X 2 subblock diagonal maximum minus antidiagonal minimum unequal to its neighbors horizontally, vertically, diagonally and antidiagonally.

Terms

    a(0) =540a(1) =800a(2) =1400a(3) =3072a(4) =8536a(5) =15888a(6) =44464a(7) =94416a(8) =273808a(9) =562320a(10) =1622320a(11) =3376272a(12) =9768496a(13) =20246928a(14) =58535344a(15) =121496976a(16) =351356848a(17) =728945040a(18) =2107845040a(19) =4373737872a(20) =12647655856a(21) =26242285968a(22) =75884757424a(23) =157453992336

External references