Number of n X n arrays of squares of integers with every 4X4 subblock summing to 4.
A159202
Number of n X n arrays of squares of integers with every 4X4 subblock summing to 4.
Terms
- a(0) =1836a(1) =19252a(2) =120420a(3) =485580a(4) =1431580a(5) =7580604a(6) =30777228a(7) =98695180a(8) =260875260a(9) =1171616956a(10) =4324917900a(11) =13424965644
External references
- oeis: A159202