OFFSET
1,1
REFERENCES
Thomas Koshy, Fibonacci and Lucas Numbers with Applications, Volume 1, 2nd edition, Wiley, 2017, chapter 13.8, pp. 248-250.
FORMULA
Equals exp(phi) + exp(1-phi), where phi is the golden ratio (A001622).
Equals e * A328495. - Amiram Eldar, Feb 06 2022
EXAMPLE
5.582168726084073272273820087650101080679708682257948...
MATHEMATICA
RealDigits[Exp[GoldenRatio] + Exp[1 - GoldenRatio], 10, 100][[1]]
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Amiram Eldar, Oct 22 2019
STATUS
approved