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A088343 Records in A069862. 2

%I

%S 1,2,5,9,10,22,25,26,110,998,1158,1410,9860,100270,999100,1005274,

%T 1007044,1055274,1059163,1063242,1065027,1083148,1099446,1103722,

%U 1144506,10146315,99992456,99997120

%N Records in A069862.

%C A069862 is the smallest k such that n divides the concatenation of numbers from (n+1) to (n+k), where (n+1) is on the most significant side. - _Robert G. Wilson v_, Nov 14 2003

%H C. Seggelin, <a href="http://www.plastereddragon.com/maths/catcon.htm">Concatenation of Consecutive Integers</a>.

%t f[n_] := Block[{k = n + 1}, d = k; While[ d != 0, k++; d = Mod[d*10^Floor[ Log[10, k] + 1] + k, n]]; k - n]; a = 0; Do[b = f[n]; If[b > a, a = b; Print[n, " = ", b]], {n, 1, 34500}]

%Y Cf. A069862, A088947.

%K nonn,more,base

%O 1,2

%A _N. J. A. Sloane_, Nov 14 2003

%E More terms from _Robert G. Wilson v_ and Chuck Seggelin (chuck(AT)plastereddragon.com), Nov 14 2003

%E Edited by _Charles R Greathouse IV_, Apr 30 2010

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Last modified November 18 19:59 EST 2019. Contains 329288 sequences. (Running on oeis4.)