Quadruple Hex-primes: let f(n) = A102489(n); then sequence lists primes p such that f(p), f(f(p)). f(f(f(p))) and f(f(f(f(p)))) are also primes.
A237440
Quadruple Hex-primes: let f(n) = A102489(n); then sequence lists primes p such that f(p), f(f(p)). f(f(f(p))) and f(f(f(f(p)))) are also primes.
Terms
- a(0) =2a(1) =3a(2) =5a(3) =7a(4) =61a(5) =97a(6) =101a(7) =257a(8) =2531a(9) =4783a(10) =5683a(11) =6317a(12) =8963a(13) =9463a(14) =9497a(15) =11593a(16) =15683a(17) =18757a(18) =23687a(19) =26251a(20) =29611a(21) =31271a(22) =36011a(23) =45497a(24) =45979a(25) =46853a(26) =54869a(27) =73379a(28) =92557a(29) =93761
External references
- oeis: A237440