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

%S 10,15,21,517,529,671,1513,6241,15251,23129,27161,53297,59701,79091,

%T 104977,299911,559411,575051,597557,1560101,2178727,2273641,2390393,

%U 2966429,5354893,5429329,5435761,5613197,5664721,5988449,6218521

%N Brilliant numbers (A078972) whose digit reversal is a pentagonal number (A000326).

%e 1513=17*89 is brilliant and 3151 is the 46th pentagonal number.

%Y Cf. A000326, A078972, A115680.

%K nonn,base

%O 1,1

%A _Giovanni Resta_, Jan 31 2006