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 A031295 #11 Jul 13 2013 12:01:55 %S A031295 8,27,47,67,87,107,127,147,150,152,154,156,158,160,162,164,166,167, %T A031295 168,187,216,246,276,306,336,366,396,426,431,434,437,440,443,446,449, %U A031295 452,455,456,458,486,516,546,576,606,636,666,696 %N A031295 Position of n-th 8 in A007376. %C A031295 A007376(a(n)) = 8. %H A031295 Reinhard Zumkeller, <a href="/A031295/b031295.txt">Table of n, a(n) for n = 1..10000</a> %o A031295 (Haskell) %o A031295 import Data.List (elemIndices) %o A031295 a031295 n = a031295_list !! (n-1) %o A031295 a031295_list = map (+ 1) $ elemIndices 8 a007376_list %o A031295 -- _Reinhard Zumkeller_, Jul 28 2011 %Y A031295 Cf. A193428; A031287, A031288, A031289, A031290, A031291, A031292, A031293, A031294, A031296. %K A031295 nonn,less,base %O A031295 1,1 %A A031295 _Clark Kimberling_