The story
Named after mathematicians Arne Fransén and Herman P. Robinson.
Etymology from Wiktionary, CC BY-SA 4.0.
Fransén-Robinson constant
Today it means: The numeric value of the integral over the positive real numbers of the reciprocal of the gamma function, F=∫₀ ᪲1/(Γ(x))dx=2.8077702420285.... Full definition →