Worst case of a Jacobi symbol algorithm.

Terms

a(0) =1a(1) =3a(2) =13a(3) =57a(4) =259a(5) =1177a(6) =5367a(7) =24473a(8) =111631a(9) =509193a(10) =2322703a(11) =10595097a(12) =48330079a(13) =220460137a(14) =1005640527a(15) =4587282233a(16) =20925130111a(17) =95451085833a(18) =435405168943