A154717 - OEIS

%I #8 Mar 31 2012 13:22:27

%S 1729,2093,2821,3059,4123,4991,5681,7189,7657,8827,9269,9373,9919,

%T 10507,12649,12719,12901,13547,13699,14497,15197,15617,16583,17143,

%U 17549,17563,18487,19513,21049,21749,22211,22351,22379,23621,23653,23933,23959,25441

%N Products of three distinct happy primes A035497.

%C Note that a(1)=1729 is the Hardy-Ramanujan number (see taxicab numbers in A001235, A011541).

%Y Cf. A001235, A011541, A035497, A154716, A154728, A154729.

%K easy,nonn,base

%O 1,1

%A _Omar E. Pol_, Jan 18 2009

%E a(5) - a(38) from _Nathaniel Johnston_, Apr 30 2011