%I
%S 4,6,9,34,123,789,901,1234,34567,56789,901234,1234567,7890123,
%T 567890123,12345678901,345678901234567,4567890123456789,
%U 12345678901234567,890123456789012345,3456789012345678901,456789012345678901234,123456789012345678901234567,1234567890123456789012345678901,23456789012345678901234567890123
%N Semiprimes with consecutive (ascending) digits.
%C This is to semiprimes A001358 as A006055 is to primes A000040.
%e a(9) = 34567 because it is semiprime 13 * 2659, and (3,4,5,6,7) are consecutive ascending digits.
%Y Cf. A001358, A118697, A059043, A006055, A161760.
%K nonn,base,easy
%O 1,1
%A _Jonathan Vos Post_, Aug 12 2012
%E Corrected and extended by _R. J. Mathar_, Aug 13 2012
