Number of n X n arrays of squares of integers with every 2X2 subblock summing to 26.
A159226
Number of n X n arrays of squares of integers with every 2X2 subblock summing to 26.
Terms
- a(0) =42a(1) =158a(2) =426a(3) =1202a(4) =2970a(5) =8234a(6) =20538a(7) =58202a(8) =148602a(9) =430778a(10) =1120506a(11) =3298682a(12) =8679930a(13) =25783034a(14) =68281338a(15) =203806202a(16) =541575162a(17) =1620552698
External references
- oeis: A159226