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A088632 a(1) = 2; a(n) = smallest number such that the n-th partial concatenation is a multiple of prime(n). 1
2, 1, 0, 0, 12, 4, 24, 5, 4, 7, 13, 9, 3, 41, 34, 4, 2, 37, 46, 59, 74, 83, 11, 32, 167, 58, 59, 65, 43, 27, 24, 192, 208, 157, 88, 64, 49, 11, 5, 35, 49, 78, 61, 145, 155, 217, 86, 208, 217, 81, 78, 148, 112, 14, 101, 59, 14, 294, 16, 22, 379, 55, 42, 402, 245, 409, 411, 44 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..200

MATHEMATICA

Module[{p=Prime[n], k=0}, While[!Divisible[FromDigits[Flatten[ Join[ {conc}, IntegerDigits[ k]]]], Prime[n]], k++]; {FromDigits[Flatten[ Join[ {conc}, IntegerDigits[k]]]], n+1, k}]; NestList[nxt, {2, 2, 2}, 70][[All, 3]] (* Harvey P. Dale, Sep 05 2020 *)

CROSSREFS

Sequence in context: A021480 A201299 A057274 * A057272 A062735 A054547

Adjacent sequences:  A088629 A088630 A088631 * A088633 A088634 A088635

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Oct 23 2003

EXTENSIONS

Corrected and extended by David Wasserman, Aug 16 2005

STATUS

approved

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Last modified November 27 22:11 EST 2020. Contains 338684 sequences. (Running on oeis4.)