Integer part of ((4th elementary symmetric function of 1,2,..,n)/(2nd elementary symmetric function of 1,2,...,n)).

A024173

Integer part of ((4th elementary symmetric function of 1,2,..,n)/(2nd elementary symmetric function of 1,2,...,n)).

Terms

    a(0) =0a(1) =0a(2) =0a(3) =3a(4) =9a(5) =21a(6) =41a(7) =72a(8) =119a(9) =185a(10) =275a(11) =395a(12) =549a(13) =744a(14) =987a(15) =1285a(16) =1645a(17) =2076a(18) =2586a(19) =3185a(20) =3882a(21) =4688a(22) =5612a(23) =6667a(24) =7863a(25) =9213a(26) =10731a(27) =12428a(28) =14318a(29) =16416

External references