Numbers k such that k!! - prime(k) is prime.
A108420
Numbers k such that k!! - prime(k) is prime.
Terms
- a(0) =14a(1) =20a(2) =54a(3) =56a(4) =144a(5) =206a(6) =212a(7) =436a(8) =1610a(9) =4450a(10) =4512a(11) =5202a(12) =6684a(13) =14318
External references
- oeis: A108420