%I
%S 1729,4033,8321,12801,65281,130561,348161,3225601,8355841,8384513,
%T 16773121,40280065,104988673,2147418113,4294901761,4294967297,
%U 53282340865,68719214593,137439477761,1099510579201,1911029760001,2199021158401,8796097216513,281474959933441,9007199388958721,576460753377165313,2305843011361177601,18446744073709551617
%N Numbers that are both Poulet and Proth.
%C Intersection of A080075 and A001567.
%C a(1) = 1729 is known as the HardyRamanujan number (see A001235).  _Omar E. Pol_, Jun 14 2014
%H Giovanni Resta, <a href="http://www.numbersaplenty.com/both_Poulet_and_Proth.html"> Poulet n and Proth n</a>
%Y Cf. A080075 (Proth numbers), A001567 (Poulet numbers).
%K nonn
%O 1,1
%A _Lear Young_, May 25 2014
%E a(20)a(28) from _Max Alekseyev_, May 28 2014
