|
|
A307477
|
|
SanD-122 primes: primes p such that p+d is also prime and sum of digits A007953(p(p+d)) = d, with d = 122.
|
|
1
|
|
|
39999899, 62999939, 82999919, 96951989, 98487989, 99397619, 137249999, 137363999, 140990999, 141374879, 149999879, 151257989, 154788989, 171151889, 178873889, 181374959, 187054979, 196689989, 197399999, 197415389, 197474489, 199596479, 199924919, 199972379, 212114999, 216794399, 217024979
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
SanD-d primes exist only for d = 14 + 18*k, k = -1/2, 0, 1, 2, 3, ...
This is the sequence for k = 6. See cross-references for other k and related sequences, in particular the main entry A307479.
|
|
LINKS
|
|
|
PROG
|
(PARI) print_A307477(N, d=122)=forprime(p=2, , isprime(p+d)&&sumdigits(p*(p+d))==d&&!print1(p, ", ")&&!N--&&break)
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,base
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|