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 A069751 #18 Aug 29 2012 17:32:12 %S A069751 2,3,4,5,6,7,8,9,10,11,15,13,14,19,16,22,18,25,20,36,28,23,45,40,36, %T A069751 44,50,35,36,37,54,55,56,139,71,43,74,123,75,63,65,113,139,140,139, %U A069751 132,133,85,100,178,148,376,98,234,139,1277,234,223,95,217,128,479,139,454 %N A069751 Smallest k>n such that floor((11/10)^k)/floor((11/10)^n) is an integer. %t A069751 kln[n_]:=Module[{k=n+1},While[!IntegerQ[Floor[(11/10)^k]/Floor[(11/10)^n]],k++];k]; Array[kln,70] (* _Harvey P. Dale_, Aug 29 2012 *) %o A069751 (PARI) q=1.1; for(s=1,80,n=s+1; while(frac(floor(q^n)/floor(q^s))>0,n++); print1(n,","); ) %Y A069751 See A215975 for the integers that arise. %K A069751 easy,nonn %O A069751 1,1 %A A069751 _Benoit Cloitre_, May 01 2002 %E A069751 Definition clarified by _Harvey P. Dale_, Aug 29 2012