%I #3 Dec 15 2017 17:36:53
%S 9,103207,106039,150200,172003,303714,370649,544019,952640,1000129,
%T 1089247,1104024,1124514,1243264,1668275,2030120,2060910,2304925,
%U 2330000
%N Numbers n such that A112131(n) and A112131(n+1) are both Harshad numbers.
%C Conjecture: Sequence is infinite.
%e a(1)=9 because 910/10 = 91 and 101112/6 = 16852.
%Y Cf. A109448.
%K base,more,nonn
%O 1,1
%A _Jason Earls_, Aug 28 2005