|
%I #14 Jul 05 2022 11:41:07
%S 4,24,48,72,90,120,168,210,240,288,360,420,462,528,600,650,702,756,
%T 840,960,1056,1122,1190,1260,1368,1482,1560,1680,1848,1980,2070,2208,
%U 2352,2450,2550,2652,2808,2970,3080,3192,3306,3480,3720,3906,4032,4160,4290
%N Numbers that are products of two consecutive nonprimes.
%e The nonprimes: 1,4,6,8,9,10,12,14,15 ..., product of consecutive nonprimes: 4,24,48,72,90,...
%t With[{nonps=Complement[Range[100],Prime[Range[PrimePi[100]]]]},Times @@@ Partition[nonps,2,1]] (* _Harvey P. Dale_, Jan 16 2012 *)
%Y Cf. A018252.
%K easy,nonn
%O 1,1
%A _Felix Tubiana_, Feb 11 2004
%E Definition clarified by _Harvey P. Dale_, Jan 16 2012
|
