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 A069030 #4 Mar 29 2024 19:00:50 %S A069030 1,5,25,125,625,15625,78125,390625,1953125,9765625,30517578125, %T A069030 152587890625,3814697265625,2384185791015625,11920928955078125, %U A069030 59604644775390625,7450580596923828125,931322574615478515625,4656612873077392578125,23283064365386962890625 %N A069030 Powers of 5 with strictly increasing sum of digits. %Y A069030 Cf. A069027, A069028, A069029. %K A069030 nonn,base %O A069030 1,2 %A A069030 _Amarnath Murthy_, Apr 02 2002 %E A069030 More terms from Larry Reeves (larryr(AT)acm.org), Jun 26 2002 %E A069030 More terms from _Sean A. Irvine_, Mar 29 2024