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 A115692 #2 Mar 30 2012 17:40:35 %S A115692 1,10,630,16290,52650,165600,986310,3428271,9446031,9485190,10693000, %T A115692 23698170,52168005,1270004401,2597150556,3484079550,14214075921, %U A115692 140884670790,217958758920,238847271435,403146774891 %N A115692 Triangular numbers whose digit reversal is a powerful(1) number (A001694). %e A115692 3428271=T(2618) and 1728243=3^3*11^2*2^2 is powerful. %Y A115692 Cf. A001694, A115691. %K A115692 nonn,base %O A115692 1,2 %A A115692 _Giovanni Resta_, Jan 31 2006