Product of k in [1, 2n-1] with k and k+1 coprime to 2n-1.
A290341
Product of k in [1, 2n-1] with k and k+1 coprime to 2n-1.
Terms
- a(0) =1a(1) =1a(2) =6a(3) =120a(4) =28a(5) =362880a(6) =39916800a(7) =91a(10) =12160a(13) =608608000a(16) =2401235200
External references
- oeis: A290341