a(0) = 1; for n > 0, a(n) = (-1)^(n+1)*B(2n)*Product_{prime p<=2n+1} p where B(2n) denotes the (2n)-th Bernoulli number.
A123536
a(0) = 1; for n > 0, a(n) = (-1)^(n+1)*B(2n)*Product_{prime p<=2n+1} p where B(2n) denotes the (2n)-th Bernoulli number.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =5a(4) =7a(5) =175a(6) =7601a(7) =35035a(8) =3620617a(9) =533203385a(10) =5132341123
External references
- oeis: A123536