Number of n X n arrays of squares of integers with every (n-3)X(n-3) subblock summing to 5 and every element equal to at least one neighbor.
A146196
Number of n X n arrays of squares of integers with every (n-3)X(n-3) subblock summing to 5 and every element equal to at least one neighbor.
Terms
- a(0) =0a(1) =540a(2) =24646a(3) =108226a(4) =315281a(5) =734060a(6) =1477489a(7) =2682776a(8) =4511681a(9) =7150588a(10) =10810505a(11) =15727064a(12) =22160521a(13) =30395756a(14) =40742273a(15) =53534200a(16) =69130289a(17) =87913916a(18) =110293081
External references
- oeis: A146196