Number of 8 X 8 arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to n.

A156396

Number of 8 X 8 arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to n.

Terms

    a(0) =1a(1) =76a(2) =954a(3) =3924a(4) =7010a(5) =9312a(6) =32990a(7) =78688a(8) =83987a(9) =74764a(10) =239978a(11) =459944a(12) =417378a(13) =337208a(14) =881382a(15) =1651208a(16) =1559914a(17) =1022492a(18) =2133044a(19) =4562152a(20) =4561976a(21) =2742240a(22) =5100574a(23) =10606296a(24) =10001476a(25) =5884232a(26) =10075588a(27) =19311868a(28) =20173552a(29) =13485160

External references