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 A069034 #4 Mar 29 2024 19:03:06 %S A069034 1,9,729,59049,4782969,282429536481,2541865828329,22876792454961, %T A069034 16677181699666569,8862938119652501095929,79766443076872509863361, %U A069034 717897987691852588770249,381520424476945831628649898809,22528399544939174411840147874772641 %N A069034 Powers of 9 with strictly increasing sum of digits. %Y A069034 Cf. A069027, A069028, A069029, A069030, A069031, A069032, A069033. %K A069034 nonn,base %O A069034 1,2 %A A069034 _Amarnath Murthy_, Apr 02 2002 %E A069034 More terms from Larry Reeves (larryr(AT)acm.org), Jun 26 2002 %E A069034 More terms from _Sean A. Irvine_, Mar 29 2024