Number of 4 X n binary arrays without the pattern 0 1 diagonally or antidiagonally.

A188826

Number of 4 X n binary arrays without the pattern 0 1 diagonally or antidiagonally.

Terms

    a(0) =16a(1) =25a(2) =81a(3) =256a(4) =841a(5) =2704a(6) =8836a(7) =28561a(8) =93025a(9) =301401a(10) =980100a(11) =3179089a(12) =10329796a(13) =33524100a(14) =108889225a(15) =353477601a(16) =1147922161a(17) =3726858304a(18) =12101980081a(19) =39292754176a(20) =127587553636a(21) =414263438689

External references