Number of 2 X 2 matrices with integer entries in [-n,n] that are diagonalizable over the complex numbers.

A338413

Number of 2 X 2 matrices with integer entries in [-n,n] that are diagonalizable over the complex numbers.

Terms

    a(0) =65a(1) =569a(2) =2281a(3) =6313a(4) =14265a(5) =28033a(6) =49921a(7) =82545a(8) =128945a(9) =192809a(10) =277849a(11) =388185a(12) =528617a(13) =704049a(14) =919857a(15) =1181393a(16) =1495569a(17) =1868249a(18) =2306921a(19) =2818441a(20) =3410809a(21) =4091937a(22) =4870273a(23) =5754449a(24) =6753233a(25) =7877641a(26) =9136441a(27) =10540633a(28) =12101001a(29) =13828465

External references