Number of n X n arrays of squares of integers with every 3X3 subblock summing to 5.
A159204
Number of n X n arrays of squares of integers with every 3X3 subblock summing to 5.
Terms
- a(0) =198a(1) =1062a(2) =3974a(3) =12294a(4) =45386a(5) =142206a(6) =400914a(7) =1332870a(8) =3945242a(9) =10847070a(10) =34656506a(11) =100733766a(12) =276259698a(13) =868825302a(14) =2514160154a(15) =6922672974
External references
- oeis: A159204