Number of n X n arrays of squares of integers with every (n-2) X (n-2) subblock summing to 6 and every element equal to at least one neighbor.

A146199

Number of n X n arrays of squares of integers with every (n-2) X (n-2) subblock summing to 6 and every element equal to at least one neighbor.

Terms

    a(0) =0a(1) =98a(2) =34778a(3) =290306a(4) =1182610a(5) =3573766a(6) =9017466a(7) =20075266a(8) =40694834a(9) =76649830a(10) =136042186a(11) =229866786a(12) =372638546a(13) =583081894a(14) =884882650a(15) =1307502306a(16) =1887054706a(17) =2667245126

External references