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 A179659 #4 Jul 12 2012 00:39:52 %S A179659 7,8,7,7,1,1,2,8,4,1,1,7,8,5,2,7,5,1,2,7,1,4,5,1,2,8,4,1,2,8,5,2,7,4, %T A179659 5,1,8,7,8,4,5,4,1,8,4,5,2,4,1,7,8,5,7,8,1,8,4,2,7,4,5,2,4,5,1,2,5,7, %U A179659 8,1,2,8,2,7,7,4,2,8,5,1,7,5,2,8,4,1,7,8,4,7,5,1,2,5,8,5,1,4,5,2,4,2,4,2,4,1 %N A179659 Digital root of the n-th weird number. %F A179659 a(n) = A010888(A006037(n)). %e A179659 The 9th weird number is 10570. 1+0+5+7+0=13, and 1+3=4. %Y A179659 Cf. A006037 %K A179659 nonn,base %O A179659 1,1 %A A179659 _Jason G. Wurtzel_, Jul 23 2010 %E A179659 Extended, keyword:base and formula added - _R. J. Mathar_, Jul 27 2010