Primes that are the concatenation p|q of two primes p and q with the same number of digits, where r = (p+q)/2, r|q and p|r are all primes.
A358420
Primes that are the concatenation p|q of two primes p and q with the same number of digits, where r = (p+q)/2, r|q and p|r are all primes.
Terms
- a(0) =1123a(1) =101197a(2) =101293a(3) =101797a(4) =107827a(5) =109313a(6) =113149a(7) =151163a(8) =151607a(9) =151643a(10) =163199a(11) =163811a(12) =179947a(13) =193541a(14) =211271a(15) =223331a(16) =239263a(17) =251263a(18) =251443a(19) =263191a(20) =271967a(21) =281353a(22) =281557a(23) =307367a(24) =331283a(25) =337397a(26) =353929a(27) =359167a(28) =359599a(29) =367547
External references
- oeis: A358420