%I #4 Mar 31 2012 14:11:25
%S 2,22,222,22212,222220,222222,21222222,222222224,222222222,
%T 22222222220,222222222222,2222222222220,22222122222222,
%U 222122222222222,2222222222222220,22222222222222224,222202222222222222
%N a(n) is the least positive integer in base 10 containing n twos that is divisible by n.
%F a(n) = n*A112894(n).
%e a(4) = 22212 because 22212 contains 4 twos and is divisible by 4.
%Y Cf. A112889-A112898, A112900-A112905, A112907-A112910.
%K base,nonn
%O 1,1
%A _Ray G. Opao_, Oct 05 2005
%E Extended by _Ray Chandler_, Oct 09 2005