Number of n X n arrays of squares of integers summing to 9 with every element equal to at least one neighbor.
A146300
Number of n X n arrays of squares of integers summing to 9 with every element equal to at least one neighbor.
Terms
- a(0) =0a(1) =1a(2) =1640a(3) =123744a(4) =1546356a(5) =9282128a(6) =37896264a(7) =121782952a(8) =331901924a(9) =801191922a(10) =1761200680a(11) =3592793804a(12) =6894127812a(13) =12569395174
External references
- oeis: A146300