a(n) = floor(floor(S2)/floor(S1)), where S2 and S1 are, respectively, the 2nd and first elementary symmetric functions of {sqrt(k), k = 1,2,...,n}.

A025199

a(n) = floor(floor(S2)/floor(S1)), where S2 and S1 are, respectively, the 2nd and first elementary symmetric functions of {sqrt(k), k = 1,2,...,n}.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =5a(6) =7a(7) =8a(8) =10a(9) =11a(10) =13a(11) =15a(12) =17a(13) =18a(14) =20a(15) =23a(16) =25a(17) =27a(18) =29a(19) =31a(20) =34a(21) =36a(22) =38a(23) =41a(24) =43a(25) =46a(26) =48a(27) =51a(28) =54a(29) =57

External references