a(1) = 1 because J((-1+sqrt(-1))/2) = 1;
a(2) = 3 because J((-1+sqrt(-3))/2) = 0;
a(3) = 7 because J((-1+sqrt(-7))/2) = -125/64;
a(4) = 11 because J((-1+sqrt(-11))/2) = -512/27;
a(5) = 19 because J((-1+sqrt(-19))/2) = -512;
a(6) = 27 because J((-1+sqrt(-27))/2) = -64000/9;
a(7) = 43 because J((-1+sqrt(-43))/2) = -512000;
a(8) = 67 because J((-1+sqrt(-67))/2) = -85184000;
a(9) = 163 because J((-1+sqrt(-163))/2) = -151931373056000.
|