https://arxiv.org/abs/0909.5648
[0909.5648] Binomial coefficients, Catalan numbers and Lucas quotients
Abstract page for arXiv paper 0909.5648: Binomial coefficients, Catalan numbers and Lucas quotients
binomial coefficientscatalan numbers09095648lucas
https://www.omniglot.com/language/numbers/catalan.htm
Numbers in Catalan
How to count in Catalan, a Romance language spoken mainly in Spain, Andorra and France.
numberscatalan
https://arxiv.org/abs/1708.03316
[1708.03316] Noncommutative Catalan numbers
Abstract page for arXiv paper 1708.03316: Noncommutative Catalan numbers
170803316noncommutativecatalannumbers