SanD primes with d = 14: p and p+d are both prime and digit sum A007953(p*(p+d)) = d.
A307471
SanD primes with d = 14: p and p+d are both prime and digit sum A007953(p*(p+d)) = d.
Terms
- a(0) =5a(1) =17a(2) =23a(3) =29a(4) =53a(5) =59a(6) =83a(7) =113a(8) =167a(9) =383a(10) =443a(11) =1103a(12) =1409a(13) =2003a(14) =3203a(15) =11483a(16) =100043a(17) =200003a(18) =1001003
External references
- oeis: A307471