a(n) is the largest integer value of Product_{k=1..n} (2 + 1/t_k) with integers t_k > 1.
A355243
a(n) is the largest integer value of Product_{k=1..n} (2 + 1/t_k) with integers t_k > 1.
Terms
- a(0) =5a(1) =11a(2) =25a(3) =55a(4) =125a(5) =277a(6) =637a(7) =1421a(8) =3237a(9) =7553a(10) =16807a(11) =38661a(12) =90209a(13) =208397
External references
- oeis: A355243