Numerators in expansion of sqrt(1+x). Absolute values give numerators in expansion of sqrt(1-x).

A002596

Numerators in expansion of sqrt(1+x). Absolute values give numerators in expansion of sqrt(1-x).

Terms

    a(0) =1a(1) =1a(2) =-1a(3) =1a(4) =-5a(5) =7a(6) =-21a(7) =33a(8) =-429a(9) =715a(10) =-2431a(11) =4199a(12) =-29393a(13) =52003a(14) =-185725a(15) =334305a(16) =-9694845a(17) =17678835a(18) =-64822395a(19) =119409675a(20) =-883631595a(21) =1641030105a(22) =-6116566755a(23) =11435320455a(24) =-171529806825a(25) =322476036831

External references