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%I #5 Dec 05 2013 19:55:56
%S 1,2,3,4,5,6,7,8,9,10810,0,12612,1310413,1411214,15315,162016,0,1818,
%T 0,207920,2116821,227722,2318423,244824,252925,269126,272727,283528,
%U 2923229,3069930,31275931,3268832,3375933,3457834,3546935,369936
%N Smallest multiple of n beginning and ending in n and having a digit sum of n, or 0 if no such number exists.
%C Conjecture: a(n) = 0 if and only if n is 11, 17 or 19.
%e a(23) = 2318423= 100801*23 and digit sum = 23. a(11) = a(17) = 0.
%Y Cf. A077740.
%K base,nonn
%O 1,2
%A _Amarnath Murthy_, Nov 20 2002
%E Corrected and extended by _Ray Chandler_, Sep 05 2003
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