OFFSET
1,3
LINKS
Pablo Fernandez Refolio, Problem 12094, The American Mathematical Monthly, Vol. 126, No. 2 (2019), p. 180; Catalan's Constant from Catalan Numbers, Solution to Problem 12094 by Roberto Tauraso, ibid., Vol. 127, No. 8 (2020), pp. 755-757.
FORMULA
Equals 48/Pi - 16*(1 - log(2)) - 32*G/Pi, where G is Catalan's constant (A006752).
Equals 4F3(1/2, 1/2, 1, 1; 2, 2, 2; 1), where pFq() is the generalized hypergeometric function.
EXAMPLE
1.03928049679487622006025262010356644086601121330111...
MATHEMATICA
RealDigits[48/Pi - 16*(1 - Log[2]) - 32*Catalan/Pi, 10, 100][[1]]
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Amiram Eldar, Oct 15 2021
STATUS
approved