a(n) is the first prime p such that p*2^n+q*3^n and p*3^n+q*2^n are both prime, where q is the prime following p.
A340777
a(n) is the first prime p such that p*2^n+q*3^n and p*3^n+q*2^n are both prime, where q is the prime following p.
Terms
- a(0) =2a(1) =5a(2) =5a(3) =5a(4) =67a(5) =5a(6) =7a(7) =19a(8) =107a(9) =61a(10) =67a(11) =7a(12) =5a(13) =103a(14) =263a(15) =13a(16) =83a(17) =197a(18) =17a(19) =1097a(20) =709a(21) =103a(22) =2731a(23) =367a(24) =271a(25) =353a(26) =1951a(27) =43a(28) =1109a(29) =113
External references
- oeis: A340777