|
| |
|
|
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
|
| |
|
|
