Number of n X 5 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 1 neighboring 1s.
A297221
Number of n X 5 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 1 neighboring 1s.
Terms
- a(0) =6a(1) =33a(2) =182a(3) =997a(4) =5570a(5) =30946a(6) =171851a(7) =955316a(8) =5308160a(9) =29497088a(10) =163916530a(11) =910869797a(12) =5061672943a(13) =28127490455a(14) =156303166524a(15) =868569845751
External references
- oeis: A297221