%N Primes of the form n^2 + n + 55661, with n >= 0.
%C n^2+n+55661 is the first or second most efficient formula for finding primes until we get to n^2+n+154001 (competitors are n^2+n+41, n^2+n+55661, n^2+n+41537, n^2+n+27941, n^2+n+21377, ...)
%Y Cf. A005846.
%A Douglas Winston (douglas.winston(AT)srupc.com), Apr 14 2007