Denominators a(n) of the fractions Sum_{n>=1} {(-1)^(n+1)*n/a(n)} = 1/a(1) - 2/a(2) + 3/a(3) - ... such that the sum has the concatenation of these denominators as decimal part. Case a(1) = 3.
A320023
Denominators a(n) of the fractions Sum_{n>=1} {(-1)^(n+1)*n/a(n)} = 1/a(1) - 2/a(2) + 3/a(3) - ... such that the sum has the concatenation of these denominators as decimal part. Case a(1) = 3.
Terms
- a(0) =3a(1) =254a(2) =91945a(3) =73232344999
External references
- oeis: A320023