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A111380 Smallest prime whose digital sum is equal to the n-th composite number not congruent to 0 (modulo 3). 3
13, 17, 19, 59, 79, 389, 499, 997, 1889, 1999, 6899, 17989, 8999, 39989, 49999, 98999, 199999, 598999, 599999, 799999, 2998999, 2999999, 4999999, 9899999, 19999999, 29999999, 59999999, 189997999, 389999999, 689899999, 699899999, 998999999 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Chai Wah Wu, Table of n, a(n) for n = 1..100

CROSSREFS

Cf. A073867, A157695.

Sequence in context: A178550 A105896 A112741 * A288612 A109775 A108560

Adjacent sequences:  A111377 A111378 A111379 * A111381 A111382 A111383

KEYWORD

nonn,base

AUTHOR

Stefan Steinerberger, Nov 09 2005

EXTENSIONS

Edited and extended by Robert G. Wilson v, Nov 10 2005

STATUS

approved

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Last modified January 18 21:54 EST 2019. Contains 319282 sequences. (Running on oeis4.)