a(n) = (1/Pi)*(2^n/n)*(n-1)!*Integral_{t>=0} (sin(t)/t)^n dt.
A099765
a(n) = (1/Pi)*(2^n/n)*(n-1)!*Integral_{t>=0} (sin(t)/t)^n dt.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =8a(4) =46a(5) =352a(6) =3364a(7) =38656a(8) =519446a(9) =7996928a(10) =138826588a(11) =2683604992a(12) =57176039628
External references
- oeis: A099765