a(n) = least m such that if r and s in {1/1, 1/2, 1/3, ..., 1/n} satisfy r < s, then r < k/m < (k+1)/m < s for some integer k.
A024833
a(n) = least m such that if r and s in {1/1, 1/2, 1/3, ..., 1/n} satisfy r < s, then r < k/m < (k+1)/m < s for some integer k.
Terms
- a(0) =5a(1) =11a(2) =19a(3) =29a(4) =41a(5) =61a(6) =79a(7) =106a(8) =129a(9) =163a(10) =191a(11) =232a(12) =265a(13) =313a(14) =365a(15) =407a(16) =466a(17) =529a(18) =579a(19) =649a(20) =723a(21) =781a(22) =862a(23) =947a(24) =1013a(25) =1105a(26) =1201a(27) =1301a(28) =1379a(29) =1486
External references
- oeis: A024833