A181321 Primes with digital sum 70.

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).

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