Denominators of rationals related to John Wallis' product formula for Pi/2 (from his 'Arithmetica infinitorum' from 1659).
A120995
Denominators of rationals related to John Wallis' product formula for Pi/2 (from his 'Arithmetica infinitorum' from 1659).
Terms
- a(0) =1a(1) =15a(2) =175a(3) =3675a(4) =14553a(5) =231231a(6) =920205a(7) =234652275a(8) =2807136475a(9) =14933966047a(10) =59612442981
External references
- oeis: A120995