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Triangular numbers whose digit reversal is a powerful(1) number (A001694).
1

%I #2 Mar 30 2012 17:40:35

%S 1,10,630,16290,52650,165600,986310,3428271,9446031,9485190,10693000,

%T 23698170,52168005,1270004401,2597150556,3484079550,14214075921,

%U 140884670790,217958758920,238847271435,403146774891

%N Triangular numbers whose digit reversal is a powerful(1) number (A001694).

%e 3428271=T(2618) and 1728243=3^3*11^2*2^2 is powerful.

%Y Cf. A001694, A115691.

%K nonn,base

%O 1,2

%A _Giovanni Resta_, Jan 31 2006