a(n) is the determinant of the matrix with elements gcd(i,j) for 2 <= i,j <= n.
A330967
a(n) is the determinant of the matrix with elements gcd(i,j) for 2 <= i,j <= n.
Terms
- a(0) =2a(1) =5a(2) =10a(3) =44a(4) =104a(5) =656a(6) =2624a(7) =15744a(8) =67584a(9) =694272a(10) =2777088a(11) =34062336a(12) =213221376a(13) =1758855168a(14) =14070841344a(15) =228530847744
External references
- oeis: A330967