Number of 5 X n 0..1 arrays with every element equal to 1 or 2 horizontally or antidiagonally adjacent elements, with upper left element zero.
A301826
Number of 5 X n 0..1 arrays with every element equal to 1 or 2 horizontally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =0a(1) =34a(2) =16a(3) =177a(4) =1197a(5) =6501a(6) =47363a(7) =284691a(8) =1896274a(9) =11958940a(10) =77618802a(11) =496896121a(12) =3200790736a(13) =20562842467a(14) =132258652196a(15) =850233622346
External references
- oeis: A301826