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 A275772 #30 Feb 07 2017 09:06:12 %S A275772 1,2,3,4,5,6,7,8,9,11,22,33,44,55,11,22,33,44,55,22,33,44,55,66,22,33, %T A275772 44,55,66,33,44,55,66,77,33,44,55,66,77,44,55,66,77,88,44,55,66,77,88, %U A275772 55,66,77,88,99,37,74,111,148,185,222,259,296,333,370,74,111,148,185,222,259 %N A275772 Average values of different permutations of digits of A275945(n). %H A275772 Altug Alkan, <a href="/A275772/b275772.txt">Table of n, a(n) for n = 1..20000</a> %e A275772 a(10) = 11 because A275945(10) = 11. %e A275772 a(11) = 22 because A275945(11) = 13 and (13+31)/2 = 22. %e A275772 a(12) = 33 because A275945(12) = 15 and (15+51)/2 = 33. %o A275772 (PARI) A055642(n) = #Str(n); %o A275772 A007953(n) = sumdigits(n); %o A275772 a(n) = ((10^A055642(n)-1)/9)*(A007953(n)/A055642(n)); %o A275772 for(n=1, 1e3, if((((10^A055642(n)-1)/9)*A007953(n)) % A055642(n) == 0, print1(a(n), ", "))); %Y A275772 Cf. A007953, A055642, A273492, A275945. %K A275772 base,easy,look,nonn %O A275772 1,2 %A A275772 _Altug Alkan_, Aug 29 2016