Doubly-transmutable primes: primes such that simultaneously exchanging pairwise all occurrences of any two disjoint pairs of distinct digits results in a prime.
A108387
Doubly-transmutable primes: primes such that simultaneously exchanging pairwise all occurrences of any two disjoint pairs of distinct digits results in a prime.
Terms
- a(0) =113719a(1) =131797a(2) =139177a(3) =139397a(4) =193937a(5) =313979a(6) =317179a(7) =317399a(8) =331937a(9) =371719a(10) =739391a(11) =779173a(12) =793711a(13) =793931a(14) =797131a(15) =917173a(16) =971713a(17) =971933a(18) =979313a(19) =997391a(20) =1111793a(21) =3333971a(22) =7777139a(23) =9999317a(24) =13973731a(25) =31791913a(26) =79319197a(27) =97137379
External references
- oeis: A108387