Number of n X 7 0..1 arrays with every element equal to 0 or 1 horizontally or antidiagonally adjacent elements, with upper left element zero.

A301789

Number of n X 7 0..1 arrays with every element equal to 0 or 1 horizontally or antidiagonally adjacent elements, with upper left element zero.

Terms

    a(0) =21a(1) =35a(2) =59a(3) =100a(4) =171a(5) =294a(6) =508a(7) =881a(8) =1532a(9) =2670a(10) =4661a(11) =8147a(12) =14254a(13) =24957a(14) =43721a(15) =76625a(16) =134335a(17) =235566a(18) =413157a(19) =724732a(20) =1271408a(21) =2230625a(22) =3913758a(23) =6867218a(24) =12049871a(25) =21144385a(26) =37103604a(27) =65109365a(28) =114255101a(29) =200498599

External references