[ (4th elementary symmetric function of S(n))/(3rd elementary symmetric function of S(n)) ], where S(n) = {first n+3 positive integers congruent to 1 mod 4}.
A024390
[ (4th elementary symmetric function of S(n))/(3rd elementary symmetric function of S(n)) ], where S(n) = {first n+3 positive integers congruent to 1 mod 4}.
Terms
- a(0) =0a(1) =2a(2) =5a(3) =10a(4) =15a(5) =21a(6) =28a(7) =37a(8) =46a(9) =56a(10) =67a(11) =80a(12) =93a(13) =107a(14) =122a(15) =138a(16) =156a(17) =174a(18) =193a(19) =213a(20) =235a(21) =257a(22) =280a(23) =304a(24) =330a(25) =356a(26) =383a(27) =411a(28) =441a(29) =471
External references
- oeis: A024390