%I
%S 2,2,6,12,60,60,252,504,504,504,7260,7260,10296,11760,11760,11760,
%T 56160,56160,198016,198016,1176480,1323008,2992500,6240366,13442580,
%U 13442580,37536408,37536408,90725804,90725804,319800096,319800096,319800096,800640126,2201169600,2201169600,4656965040,5250966084,5250966084
%N a(n) = smallest positive even integer k such that k or one of its left substrings is divisible by any integer from {1..n}.
%H Hugo van der Sanden <a href="http://crypt.org/hv/puzzle/A1698580.03.tar.bz2">A1698580.03.tar.bz2</a>: C source code to calculate terms (has an option to compute the present sequence)
%Y Cf. A169858.
%K base,nonn
%O 1,1
%A _Zak Seidov_, Jun 03 2010
%E Corrected and extended by _Hugo van der Sanden_, Jun 01 2010
