a(n) = least m such that if r and s in {1/1, 1/3, 1/5, ..., 1/(2n-1)} satisfy r < s, then r < k/m < (k+3)/m < s for some integer k.
A024844
a(n) = least m such that if r and s in {1/1, 1/3, 1/5, ..., 1/(2n-1)} satisfy r < s, then r < k/m < (k+3)/m < s for some integer k.
Terms
- a(0) =7a(1) =28a(2) =61a(3) =106a(4) =163a(5) =232a(6) =313a(7) =406a(8) =511a(9) =647a(10) =780a(11) =946a(12) =1105a(13) =1301a(14) =1486a(15) =1712a(16) =1923a(17) =2179a(18) =2416a(19) =2702a(20) =2965a(21) =3281a(22) =3570a(23) =3916a(24) =4231a(25) =4607a(26) =4999a(27) =5356a(28) =5778a(29) =6216
External references
- oeis: A024844