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 A110739 #10 Aug 09 2015 00:34:54
%S A110739 1,2,7,10,311,651,42799,410,9709,43584805,6140565047,5086263,
%T A110739 4696537119847,23436764200591,5124095576030431,1345210,
%U A110739 7563707819165039903,52981906467,14523213296398891966759,87169610
%N A110739 Arithmetic mean of row n in A112668.
%F A110739 For n > 1, a(n) = (A110738(n)^n-1)/(n*A110738(n)-n). - _David Wasserman_, Dec 12 2008
%p A110739 A110737 := proc(n) local i,a ; if n = 1 then RETURN(1) ; else a := 2 ; while (1-a^n)/(1-a) mod n <> 0 do a := a+1 ; od ; RETURN( (1-a^n)/(1-a) ) ; fi ; end: A110739 := proc(n) A110737(n)/n ; end: for n from 1 to 25 do printf("%d, ",A110739(n)) : od : # _R. J. Mathar_, Mar 13 2007
%Y A110739 Equals A110737(n)/n.
%Y A110739 Cf. A110737, A110738.
%K A110739 easy,nonn
%O A110739 1,2
%A A110739 _Amarnath Murthy_, Aug 10 2005
%E A110739 More terms from _R. J. Mathar_, Mar 13 2007