a(n) = least m such that if r and s in {h/(1 + h^2): h = 1,2,...,n} satisfy r < s, then r < k/m < s for some integer k.
A024828
a(n) = least m such that if r and s in {h/(1 + h^2): h = 1,2,...,n} satisfy r < s, then r < k/m < s for some integer k.
Terms
- a(0) =7a(1) =9a(2) =11a(3) =14a(4) =18a(5) =27a(6) =32a(7) =44a(8) =58a(9) =66a(10) =83a(11) =102a(12) =112a(13) =134a(14) =158a(15) =184a(16) =198a(17) =227a(18) =258a(19) =291a(20) =308a(21) =344a(22) =382a(23) =422a(24) =464a(25) =486a(26) =531a(27) =578a(28) =627a(29) =678
External references
- oeis: A024828