Number of 6X6 arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to n.

A156389

Number of 6X6 arrays of squares of integers, symmetric about both diagonal and antidiagonal, with all rows summing to n.

Terms

    a(0) =1a(1) =20a(2) =84a(3) =136a(4) =110a(5) =232a(6) =635a(7) =616a(8) =308a(9) =788a(10) =1718a(11) =1568a(12) =926a(13) =1412a(14) =2952a(15) =3200a(16) =1430a(17) =1804a(18) =5414a(19) =6024a(20) =3154a(21) =3552a(22) =7838a(23) =7232a(24) =3923a(25) =5024a(26) =9866a(27) =13400a(28) =8094a(29) =6888

External references