A069523 - OEIS

%I #8 Aug 06 2019 06:15:16

%S 4,4,0,4,40,0,112,40,0,40,22,0,13,112,0,112,1003,0,1102,40,0,22,1012,

%T 0,400,130,0,112,1102,0,31,1120,0,10030,1120,0,0,1102,0,40,0,0,301,

%U 220,0,1012,300001,0,120001,400,0,1300,1001011,0,220,112,0,1102,1003,0

%N Smallest multiple of n with digit sum = 4, or 0 if no such number exists, e.g. a(3k)= 0.

%C a(3k)=a(37k)=a(41k)=0. - _Ray Chandler_, Jul 30 2003

%F a(n) = n*A088393(n). - _R. J. Mathar_, Aug 06 2019

%Y Cf. A052218, A069521, A069522.

%K base,nonn

%O 1,1

%A _Amarnath Murthy_, Apr 01 2002

%E More terms from _Ray Chandler_, Jul 30 2003