Numbers n such that (product of the first n odd primes) - 2*prime(n+2) is a prime.
A139463
Numbers n such that (product of the first n odd primes) - 2*prime(n+2) is a prime.
Terms
- a(0) =3a(1) =4a(2) =6a(3) =10a(4) =15a(5) =42a(6) =49a(7) =56a(8) =63a(9) =106a(10) =170a(11) =182a(12) =246a(13) =255a(14) =507a(15) =627a(16) =848a(17) =864a(18) =961a(19) =1302a(20) =3209a(21) =4994a(22) =7665a(23) =7671a(24) =16405
External references
- oeis: A139463