Divisibility properties of the $q$-tangent numbers

George E. Andrews, Ira Gessel
1978 Proceedings of the American Mathematical Society  
The ^-tangent number T2n+X(q) is shown to be divisible by (1 + q)(l + 92) • ■ • (1 + q"). Related divisibility questions are discussed.
doi:10.1090/s0002-9939-1978-0462960-0 fatcat:fdf7sucwwvdjhaghz5zddqvwr4