Floor(X/Y) where X = concatenation of (n+1), (n+2), ...up to 2n and Y = concatenation of 1,2,3,4,... up to n.

A067088

Floor(X/Y) where X = concatenation of (n+1), (n+2), ...up to 2n and Y = concatenation of 1,2,3,4,... up to n.

Terms

    a(0) =2a(1) =2a(2) =3a(3) =4a(4) =54a(5) =6391a(6) =721719a(7) =73719014a(8) =819008271a(9) =900826453a(10) =982644636a(11) =1064462818a(12) =1146281001a(13) =1228099183a(14) =1309917366a(15) =1391735548a(16) =1473553731a(17) =1555371913a(18) =1637190096a(19) =1719008278a(20) =1800826461a(21) =1882644643a(22) =1964462826

External references