Rationality | Unknown |
---|---|
Symbol | G |
Representations | |
Decimal | 0.9159655941772190150... |
In mathematics, Catalan's constant G, is the alternating sum of the reciprocals of the odd square numbers, being defined by:
where β is the Dirichlet beta function. Its numerical value[1] is approximately (sequence A006752 in the OEIS)
Catalan's constant was named after Eugène Charles Catalan, who found quickly-converging series for its calculation and published a memoir on it in 1865.[2][3]