Number of n X n arrays of squares of integers summing to 20 with every element equal to at least one neighbor.
A146514
Number of n X n arrays of squares of integers summing to 20 with every element equal to at least one neighbor.
Terms
- a(0) =4a(1) =96a(2) =16816a(3) =4506134a(4) =921762154a(5) =339740101635
External references
- oeis: A146514