My Erdös number is 6 because I have co-authored with Ian C.W. Hardy, who has co-authored with Tim Blackburn, who has co-authored with John H Lawton, who has co-authored with Joel E Cohen, who has co-authored with Ronald L Graham, who has co-authored with Paul Erdös himself.

    
    
    
    
    
    
    
    
    
    

HOME