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A088343 Records in A069862. 2
1, 2, 5, 9, 10, 22, 25, 26, 110, 998, 1158, 1410, 9860, 100270, 999100, 1005274, 1007044, 1055274, 1059163, 1063242, 1065027, 1083148, 1099446, 1103722, 1144506, 10146315, 99992456, 99997120 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

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

LINKS

Table of n, a(n) for n=1..28.

C. Seggelin, Concatenation of Consecutive Integers.

MATHEMATICA

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}]

CROSSREFS

Cf. A069862, A088947.

Sequence in context: A249353 A224866 A159073 * A110781 A170838 A115248

Adjacent sequences:  A088340 A088341 A088342 * A088344 A088345 A088346

KEYWORD

nonn,more,base

AUTHOR

N. J. A. Sloane, Nov 14 2003

EXTENSIONS

More terms from Robert G. Wilson v and Chuck Seggelin (chuck(AT)plastereddragon.com), Nov 14 2003

Edited by Charles R Greathouse IV, Apr 30 2010

STATUS

approved

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Last modified April 25 23:48 EDT 2019. Contains 322465 sequences. (Running on oeis4.)