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A106807 Primes with digit sum = 67. 4
59899999, 69899899, 69899989, 69979999, 69997999, 69999799, 77899999, 78997999, 78998989, 78999889, 78999979, 79699999, 79879999, 79889899, 79979899, 79979989, 79988899, 79989979, 79996999, 79997899, 79997989 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

499999909 is the smallest term that contains 0 as a digit. - Altug Alkan, Mar 25 2018

LINKS

Robert Israel, Table of n, a(n) for n = 1..10000 (first 128 terms from Vincenzo Librandi)

MAPLE

F:= proc(t, d)

  if d = 1 then

     if t<=9 then return [t] else return [] fi

  fi;

  if t > 9*d then return [] fi;

  [seq(op(map(x -> a*10^(d-1)+x, procname(t-a, d-1))), a=0..min(9, t))]

end proc:

select(isprime, F(67, 8)); # Robert Israel, Mar 25 2018

MATHEMATICA

Select[Prime[Range[600000]], Total[IntegerDigits[#]]==67 &] (* Vincenzo Librandi, Jul 09 2014 *)

PROG

(MAGMA) [p: p in PrimesUpTo(90000000) | &+Intseq(p) eq 67]; // Vincenzo Librandi, Jul 09 2014

(PARI) isok(n) = isprime(n) && (sumdigits(n) == 67); \\ Altug Alkan, Mar 25 2018

CROSSREFS

Cf. A007605, A062339, A062341, A062343, A106754 - A106787, A107617, A107618.

Cf. similar sequences listed in A244018.

Sequence in context: A238355 A104329 A104333 * A213354 A186908 A244918

Adjacent sequences:  A106804 A106805 A106806 * A106808 A106809 A106810

KEYWORD

nonn,base

AUTHOR

Zak Seidov, May 18 2005

STATUS

approved

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Last modified March 5 16:55 EST 2021. Contains 341827 sequences. (Running on oeis4.)