A167690 - OEIS

%I #4 Mar 30 2012 18:52:35

%S 16,54,126,210,250,390,462,686,798,1150,1254,1794,1870,2046,2662,2886,

%T 3162,3458,4394,4606,4930,5830,5934,8246,8602,9246,9430,9826,10974,

%U 13718,14110,15370,15762,16198,19434,21414,22678,24198,24334,25990

%N The even composites n such that n=q*g*j*y and q+g=j*y where q,g,j,y are primes.

%e a(1)=2*2*2*2=16; a(2)=3*3*2*3=54; a(3)=2*7*3*3=126; a(4)=3*7*2*5=210.

%Y Cf. A000040, A157931, A167629.

%K nonn

%O 1,1

%A _Juri-Stepan Gerasimov_, Nov 09 2009

%E Corrected (250, 686, 1794 etc inserted, 9486, 15782 removed) by _R. J. Mathar_, May 30 2010