[ (4th elementary symmetric function of S(n))/(2nd elementary symmetric function of S(n)) ], where S(n) = {first n+3 positive integers congruent to 2 mod 3}.

A024402

[ (4th elementary symmetric function of S(n))/(2nd elementary symmetric function of S(n)) ], where S(n) = {first n+3 positive integers congruent to 2 mod 3}.

Terms

    a(0) =3a(1) =20a(2) =63a(3) =150a(4) =304a(5) =552a(6) =926a(7) =1460a(8) =2197a(9) =3180a(10) =4460a(11) =6090a(12) =8128a(13) =10639a(14) =13689a(15) =17350a(16) =21699a(17) =26817a(18) =32790a(19) =39706a(20) =47662a(21) =56755a(22) =67090a(23) =78774a(24) =91919a(25) =106644a(26) =123069a(27) =141320a(28) =161528a(29) =183828

External references