This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A330788 #16 Jan 09 2020 19:38:56
%S A330788 1,4,31,62,64,111,129,131,30764,30766,30768,56127,56167,56199,56513,
%T A330788 56515,56827,99734,58055311,904012796,904032692,1610175617,1610178287,
%U A330788 1610186343,2789149734,13808214835,325374625053,325374625245
%N A330788 Values of k at which the ratio k/A005132(k) sets a new record.
%C A330788 No other terms < 4.61 * 10^11.
%H A330788 <a href="/index/Rea#Recaman">Index entries for sequences related to Recamán's sequence</a>
%e A330788 A005132(131) = 4, 131/4 = 32.75, a higher ratio than any smaller term in A005132, so 131 is in the sequence.
%t A330788 Block[{s = MapIndexed[First[#2]/#1 &, Rest@ Nest[Append[#, If[And[#3 > 0, FreeQ[#1, #3]], #3, #1[[-1]] + #2]] & @@ {#, Length@ #, #[[-1]] - Length@ #} &, {0}, 10^5]], t}, t = Union@ FoldList[Max, Rest@ s]; MapAt[# - 1 &, #, 1] &@ Map[FirstPosition[s, #][[1]] &, t]] (* _Michael De Vlieger_, Jan 01 2020 *)
%Y A330788 Cf. A005132, A064622, A330789.
%K A330788 nonn
%O A330788 1,2
%A A330788 _Jud McCranie_, Dec 31 2019