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A181321
Primes with digital sum 70.
4
189997999, 199799989, 199898899, 199997899, 199997989, 199998889, 268999999, 269998999, 278989999, 278999989, 279889999, 279988999, 287998999, 287999989, 288998989, 288999889, 288999979, 289699999, 289789999, 289889989
OFFSET
1,1
COMMENTS
The sequence begins with 8438 9-digit numbers.
Then there are 739572 10-digit numbers.
All terms == 7 (mod 18).
MATHEMATICA
Select[Prime[Range[3*10^8]], Total[IntegerDigits[#]]==70 &] (* Vincenzo Librandi, Jul 09 2014 *)
PROG
(Magma) [p: p in PrimesUpTo(3*10^8) | &+Intseq(p) eq 70]; // Vincenzo Librandi, Jul 09 2014
(Python) # see code in A107579 which can be used to produce this sequence by giving the initial term p = 189997999 (or 8*10**7-1, for digit sum 70). - M. F. Hasler, Mar 16 2022
CROSSREFS
Cf. similar sequences listed in A244918.
Sequence in context: A228377 A178565 A195902 * A267770 A209597 A251514
KEYWORD
nonn,base
AUTHOR
Zak Seidov, Jan 26 2011
STATUS
approved