Page maison de Simon Plouffe Home Page

Time line

1983 :
1991 : First version of GFUN

1992 :

1992 : The n'th Tribonacci number is :

  1992 :Master Thesis : Approximation de fonctions génératrices et quelques conjectures

1993 : A sequence related to that of Thue-Morse
1993 : Exact formulas for integer sequences

1995 :
1995 : Publication de : The encyclopedia of Integer Sequences
1995 : Ouverture du Inverse Symbolic Calculator

1996 : Algorithm for Pi in base 10

1996 : Computation of the 10000'th Bernoulli number (with Greg Fee)
1998 : Ouverture de l'Inverseur de Plouffe - Plouffe Inverter

1998 : Integer relations :

2001 : Fibonacci numbers and plants (and other radio and tv)

2001 : Computation of the  750000'th Bernoulli number

2006 : New formulas for Pi and 1/Pi :

2006 : Experiments modulo 1:

 

2010 :Interesting approximations

2011 : A formula for the mass ratio of the neutron/proton :

2011 : 148000 empirical formulas found in the OEIS database

2014 : Strange formula for some algebraic numbers:

2014 : A formula for the Zeta function :

2015 : A formula for the proton/electron mass ratio:

2016 : Formula for primes using irrational numbers