Numbers m such that m#*2^m + 1 is prime, where m# = A002110(m).
A091424
Numbers m such that m#*2^m + 1 is prime, where m# = A002110(m).
Terms
- a(0) =1a(1) =3a(2) =4a(3) =6a(4) =10a(5) =30a(6) =31a(7) =98a(8) =156a(9) =230a(10) =432a(11) =490a(12) =1623a(13) =1666a(14) =9324a(15) =9693
External references
- oeis: A091424