Number of (n+1)X5 binary arrays with each element of every 2X2 subblock being the sum mod 2 of two others.
A183840
Number of (n+1)X5 binary arrays with each element of every 2X2 subblock being the sum mod 2 of two others.
Terms
- a(0) =251a(1) =2297a(2) =21068a(3) =197133a(4) =1839599a(5) =17250758a(6) =161545837a(7) =1514840541a(8) =14197275248a(9) =133112213345
External references
- oeis: A183840