1/16 the number of n X n arrays of squares of integers with every 2X2 subblock summing to 30.
A159229
1/16 the number of n X n arrays of squares of integers with every 2X2 subblock summing to 30.
Terms
- a(0) =3a(1) =11a(2) =29a(3) =77a(4) =189a(5) =509a(6) =1277a(7) =3581a(8) =9213a(9) =26621a(10) =69629a(11) =204797a(12) =540669a(13) =1605629a(14) =4259837a(15) =12713981a(16) =33816573a(17) =101187581
External references
- oeis: A159229