Number of nX7 0..2 arrays with no element equal to any value at offset (-1,0) (0,-1) or (-2,-2) and new values introduced in order 0..2.

A274857

Number of nX7 0..2 arrays with no element equal to any value at offset (-1,0) (0,-1) or (-2,-2) and new values introduced in order 0..2.

Terms

    a(0) =32a(1) =729a(2) =542a(3) =2585a(4) =12102a(5) =58775a(6) =289494a(7) =1426688a(8) =7031552a(9) =34766640a(10) =172447382a(11) =856198165a(12) =4249077675a(13) =21078145330a(14) =104568950459a(15) =518896515145

External references