Number of n X 5 binary arrays with all 1s connected, all corners 1, and no 1 having more than two 1s adjacent.
A163736
Number of n X 5 binary arrays with all 1s connected, all corners 1, and no 1 having more than two 1s adjacent.
Terms
- a(0) =1a(1) =4a(2) =17a(3) =29a(4) =73a(5) =265a(6) =1200a(7) =4888a(8) =17897a(9) =62437a(10) =216583a(11) =751019a(12) =2584540a(13) =8793604a(14) =29620863a(15) =99028541a(16) =329064965a(17) =1087406243a(18) =3574695130a(19) =11695446500a(20) =38100971981a(21) =123645830993a(22) =399846976383
External references
- oeis: A163736