Number of nX3 0..1 arrays with every element unequal to 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

A317866

Number of nX3 0..1 arrays with every element unequal to 2, 3 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

Terms

    a(0) =0a(1) =1a(2) =1a(3) =6a(4) =4a(5) =5a(6) =10a(7) =36a(8) =34a(9) =43a(10) =100a(11) =238a(12) =256a(13) =404a(14) =834a(15) =1650a(16) =2029a(17) =3475a(18) =6656a(19) =11911a(20) =16264a(21) =28718a(22) =52073a(23) =88566a(24) =130729a(25) =231474a(26) =404502a(27) =672893a(28) =1047207a(29) =1838676

External references