%I A075017
%S A075017 1,1,3,3,2,3,2,3,3,7,8,3,7,17,12,3,5,3,19,17,24,15,17,3,22,7,3,17,17,27,
%T A075017 6,3,15,5,2,3,9,19,15,17,15,45,44,37,12,17,39,3,45,47,21,41,52,3,37,17,
%U A075017 57,17,62,57,53,53,66,3,7,15
%N A075017 Smallest k such that the concatenation k, k+1,k+2,k+3 is divisible by 
               n; or 0 if no such number exists.
%e A075017 a(7) = 2 as 7 divides 2345.
%Y A075017 Cf. A075113, A075114, A075115, A075116.
%Y A075017 Sequence in context: A014967 A120992 A129979 this_sequence A060586 A076662 
               A164359
%Y A075017 Adjacent sequences: A075014 A075015 A075016 this_sequence A075018 A075019 
               A075020
%K A075017 base,nonn
%O A075017 1,3
%A A075017 Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 01 2002
%E A075017 Corrected and extended by Antonio G. Astudillo (afg_astudillo(AT)lycos.com), 
               Apr 19 2003