a(n) = [ (3rd elementary symmetric function of P(n))/(first elementary symmetric function of P(n)) ], where P(n) = {first n+2 primes}.

A024453

a(n) = [ (3rd elementary symmetric function of P(n))/(first elementary symmetric function of P(n)) ], where P(n) = {first n+2 primes}.

Terms

    a(0) =3a(1) =14a(2) =48a(3) =124a(4) =279a(5) =543a(6) =981a(7) =1710a(8) =2758a(9) =4329a(10) =6519a(11) =9365a(12) =13088a(13) =18023a(14) =24448a(15) =32237a(16) =42031a(17) =53897a(18) =67765a(19) =84548a(20) =104253a(21) =127677a(22) =155845a(23) =188299a(24) =224778a(25) =266201a(26) =312202a(27) =363845a(28) =426136a(29) =495751

External references