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

A024523

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

Terms

    a(0) =6a(1) =61a(2) =348a(3) =1646a(4) =5754a(5) =17535a(6) =44268a(7) =102412a(8) =227750a(9) =452531a(10) =869928a(11) =1576686a(12) =2666994a(13) =4341745a(14) =6932756a(15) =10845872a(16) =16266454a(17) =24022575a(18) =34629762a(19) =48484870a(20) =67169634a(21) =91475603a(22) =123389134a(23) =165725172a(24) =219251334a(25) =284875003a(26) =365853566

External references