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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 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS The sequence begins with 8438 9-digit numbers. Then there are 739572 10-digit numbers. All terms == 7 (mod 18). LINKS T. D. Noe, Table of n, a(n) for n = 1..8438 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. A073867, A111380, A181178, A181182. Cf. similar sequences listed in A244918. Sequence in context: A228377 A178565 A195902 * A267770 A209597 A251514 Adjacent sequences:  A181318 A181319 A181320 * A181322 A181323 A181324 KEYWORD nonn,base AUTHOR Zak Seidov, Jan 26 2011 STATUS approved

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Last modified May 16 11:35 EDT 2022. Contains 353704 sequences. (Running on oeis4.)