OFFSET
1,1
COMMENTS
The next term has 99 digits.
FORMULA
Pi -3 = Sum_{k>=1} (-1)^(k+1)/a(k) = 0.14159...; a(n) = (-1)^(n+1)*u(n) where u(1)=7, u(n) = trunc(1/(Pi - 3 - Sum_{k=1..n-1} 1/u(k))) and trunc(x) = floor(x) if x >= 0, trunc(x) = ceiling(x) if x < 0.
EXAMPLE
1/(Pi - 3 - 1/7 + 1/790) = 749896.4427... hence a(3)=749896.
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
Title correction by Stanislav Sykora, May 05 2012
STATUS
approved