a(n) = [ (3rd elementary symmetric function of P(n))/(2nd elementary symmetric function of P(n)) ], where P(n) = {1, p(1), p(2), ..., p(n-1)}, where p(0) = 1.

A024534

a(n) = [ (3rd elementary symmetric function of P(n))/(2nd elementary symmetric function of P(n)) ], where P(n) = {1, p(1), p(2), ..., p(n-1)}, where p(0) = 1.

Terms

    a(0) =1a(1) =2a(2) =5a(3) =8a(4) =12a(5) =17a(6) =23a(7) =31a(8) =40a(9) =50a(10) =62a(11) =74a(12) =88a(13) =104a(14) =122a(15) =140a(16) =160a(17) =182a(18) =204a(19) =229a(20) =255a(21) =282a(22) =312a(23) =344a(24) =376a(25) =410a(26) =444a(27) =480a(28) =520a(29) =561

External references