71459

Appears in sequences

• [ (4th elementary symmetric function of P(n))/(first elementary symmetric function of P(n)) ], where P(n) = {1, p(1), p(2), ..., p(n-1)}, where p(0) = 1.at n=8A024533
• a(n) = Sum_{i=1..n} ( Product_{k|i} d(k) ), where d(n) = A000005(n).at n=39A237349
• a(n) = Sum_{j=1..n} A003718(j-1)*prime(j).at n=43A342604