[ (2nd elementary symmetric function of S(n))/(first elementary symmetric function of S(n)) ], where S(n) = {first n+1 odd positive integers}.

A024201

[ (2nd elementary symmetric function of S(n))/(first elementary symmetric function of S(n)) ], where S(n) = {first n+1 odd positive integers}.

Terms

    a(0) =0a(1) =2a(2) =5a(3) =9a(4) =14a(5) =19a(6) =26a(7) =34a(8) =43a(9) =53a(10) =64a(11) =75a(12) =88a(13) =102a(14) =117a(15) =133a(16) =150a(17) =167a(18) =186a(19) =206a(20) =227a(21) =249a(22) =272a(23) =295a(24) =320a(25) =346a(26) =373a(27) =401a(28) =430a(29) =459

External references