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A107741 Smallest number m such that prime(n) = m + (digit sum of m), a(n)=0 if no such m exists. 3
1, 0, 0, 0, 10, 11, 13, 14, 16, 19, 0, 32, 34, 35, 37, 0, 52, 53, 56, 58, 59, 71, 73, 76, 0, 91, 92, 94, 95, 97, 122, 124, 127, 128, 142, 143, 146, 149, 160, 163, 166, 167, 181, 182, 184, 185, 0, 215, 217, 218, 0, 232, 233, 238, 250, 253, 256, 257, 0, 271 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

COMMENTS

If a(n)>0 then: A000040(n)=A062028(a(n)) and A107740(n)>0.

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

PROG

(Haskell)

a107741 n = if null ms then 0 else head ms  where

   ms = [m | let p = a000040 n,

             m <- [max 0 (p - 9 * a055642 p) .. p - 1], a062028 m == p]

-- Reinhard Zumkeller, Sep 27 2014

CROSSREFS

Cf. A047791, A048521.

Cf. A000040, A055642, A062028.

Sequence in context: A077677 A216502 A219256 * A047791 A253610 A302578

Adjacent sequences:  A107738 A107739 A107740 * A107742 A107743 A107744

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller, May 23 2005

EXTENSIONS

Data error corrected by Reinhard Zumkeller, Sep 27 2014

STATUS

approved

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Last modified January 17 14:12 EST 2019. Contains 319225 sequences. (Running on oeis4.)