Unchanging value maps: number of 3Xn binary arrays indicating the locations of corresponding elements unequal to no horizontal, diagonal or antidiagonal neighbor in a random 0..2 3Xn array.

A219144

Unchanging value maps: number of 3Xn binary arrays indicating the locations of corresponding elements unequal to no horizontal, diagonal or antidiagonal neighbor in a random 0..2 3Xn array.

Terms

    a(0) =1a(1) =18a(2) =78a(3) =281a(4) =1072a(5) =4033a(6) =15255a(7) =57963a(8) =220068a(9) =835820a(10) =3172817a(11) =12044346a(12) =45722019a(13) =173574485a(14) =658947323a(15) =2501581220a(16) =9496787730a(17) =36052730049a(18) =136867284190a(19) =519590670019

External references