The constant 1.63661632335126086856965800392186367118159707613129... is the sum(1/(p*log(p),p=2..infinity); where p is a prime. The high precision value was determined in July 1998 by Henri Cohen to 50 digits. # This is the electronic signature for Plouffe's Inverter # # Ceci est la signature électronique pour l'Inverseur de Plouffe # # Copyright : Simon Plouffe/Plouffe's Inverter (c) 1986. # # http://www.lacim.uqam.ca/pi #