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 A033895 #11 Feb 03 2025 05:37:13 %S A033895 7,14,28,56,112,224,448,896,1585,3143,4477,8954,13543,26888,53776, %T A033895 89453,124042,136286,259954,505553,541108,552566,808132,820520,822778, %U A033895 1050566,1066132,1178498,2326387,4560065,4605631,4740197,4884976,9352865 %N A033895 Sort then Add, a(1)=7. %e A033895 1585 --> 1558 (sorted) and adding them gives 1585+1558 = 3143. %p A033895 A033895 := proc(n) %p A033895 option remember ; %p A033895 if n =1 then %p A033895 7; %p A033895 else %p A033895 A070196(procname(n-1)) ; %p A033895 end if; %p A033895 end proc: %p A033895 seq(A033895(n),n=1..100) ; # _R. J. Mathar_, Feb 03 2025 %Y A033895 Cf. A033860. %K A033895 nonn,base,easy %O A033895 1,1 %A A033895 _N. J. A. Sloane_, _David W. Wilson_