a(n) = least m such that if r and s in {1/2, 1/5, 1/8, ..., 1/(3n-1)} satisfy r < s, then r < k/m < (k+1)/m < s for some integer k.
A024837
a(n) = least m such that if r and s in {1/2, 1/5, 1/8, ..., 1/(3n-1)} satisfy r < s, then r < k/m < (k+1)/m < s for some integer k.
Terms
- a(0) =7a(1) =21a(2) =41a(3) =67a(4) =100a(5) =155a(6) =205a(7) =281a(8) =346a(9) =443a(10) =523a(11) =641a(12) =737a(13) =876a(14) =1027a(15) =1149a(16) =1321a(17) =1505a(18) =1651a(19) =1856a(20) =2073a(21) =2243a(22) =2481a(23) =2731a(24) =2993a(25) =3197a(26) =3480a(27) =3775a(28) =4082a(29) =4321
External references
- oeis: A024837