1. On the Hurwitz function for rational arguments;Adamchik;Appl. Math. Comput.,2007
2. Derivative polynomials for tanh, tan, sech and sec in explicit form;Boyadzhiev;Fibonacci Quart.,2007
3. Permutations, sequences and special functions;Carlitz;SIAM Rev.,1975
4. Tangent numbers and operators;Carlitz;Duke Math. J.,1972
5. Advanced Combinatorics, The Art of Finite and Infinite Expansions;Comtet,1974