a(0) = 1; for n>1, a(n) is the numerator of b(n) = Product_{i=1..n} (prime(i)^2 + 1)/(prime(i)^2 - 1).
A285602
a(0) = 1; for n>1, a(n) is the numerator of b(n) = Product_{i=1..n} (prime(i)^2 + 1)/(prime(i)^2 - 1).
Terms
- a(0) =1a(1) =5a(2) =25a(3) =325a(4) =8125a(5) =99125a(6) =8425625a(7) =1221715625a(8) =44226105625
External references
- oeis: A285602