A123178 - cp's OEIS frontend

A123178 Define K(n) = Integral_{t=-1..1} (t^(2n)(1-t^2)^(2n)/(1+it)^(3n+1))dt, and write K(n) = a(n)Pi - b(n)/c(n) where a(n), b(n), c(n) are positive integers; the sequence gives a(n).

n	a(n)
1	14
2	968
3	75920
4	6288296
5	537005664
6	46764723632
7	4128230266160
8	368090979124960
9	33073373083339904
10	2989771785328137728
11	271603565356722214784
12	24774311300942501337728
13	2267541753957311770329600

[14, 968, 75920, 6288296, 537005664, 46764723632, 4128230266160, 368090979124960, 33073373083339904, 2989771785328137728, 271603565356722214784, 24774311300942501337728, 2267541753957311770329600]

cp's OEIS Frontend

A123178 Define K(n) = Integral_{t=-1..1} (t^(2n)(1-t^2)^(2n)/(1+it)^(3n+1))dt, and write K(n) = a(n)Pi - b(n)/c(n) where a(n), b(n), c(n) are positive integers; the sequence gives a(n).

Table of values

List of values

cp's OEIS Frontend

A123178 Define K(n) = Integral_{t=-1..1} (t^(2n)*(1-t^2)^(2n)/(1+it)^(3n+1))dt, and write K(n) = a(n)*Pi - b(n)/c(n) where a(n), b(n), c(n) are positive integers; the sequence gives a(n).

Table of values

List of values

A123178 Define K(n) = Integral_{t=-1..1} (t^(2n)(1-t^2)^(2n)/(1+it)^(3n+1))dt, and write K(n) = a(n)Pi - b(n)/c(n) where a(n), b(n), c(n) are positive integers; the sequence gives a(n).