1655 book Arithmetica Infinitorum. Hypergeometric series were studied by Leonhard Euler, but the first full systematic treatment was given by Carl Friedrich...

A340556 in the OEIS), extending the definition of Gessel and Stanley. Eulerus, Leonardus [Leonhard Euler] (1755). Institutiones calculi differentialis...

_{l=2}^{n-2}{\binom {n+2}{l}}B_{l}B_{n-l}=n(n+1)B_{n}} Faber–Pandharipande–Zagier–Gessel identity: for n ≥ 1, n 2 ( B n − 1 ( x ) + ∑ k = 1 n − 1 B k ( x ) k B n...

of the Catalan numbers. These are named super-Catalan numbers, per Ira Gessel. These should not confused with the Schröder–Hipparchus numbers, which sometimes...

Cambridge: Cambridge University Press. ISBN 978-1-107-60262-5. MR 2868112. Ira, Gessel (2016), "Lagrange inversion", Journal of Combinatorial Theory, Series A...

1990s: English language sources. Scarecrow Press, 2002. ISBN 0810840863. Gessel, Van C. Japanese fiction writers, 1868–1945. Gale Research, 1997. ISBN 0787610682...