Volume 18A (2018): Special Volume in Honor of Jeffrey Shallit on the Occasion of His 60^{th} Birthday
Introduction by Narad Rampersad

A1:
A Generalization of an Identity Due to Kimura and Ruehr

A2:
Nonintersectivity of Paperfolding Dragon Curves and of Curves Generated by Automatic Sequences

J.P. Allouche, M. Mendès France, and G. Skordev

A3:
Three Notes on Ser's and Hasse's Representations for the Zetafunctions

A4:
A Remarkable Integer Sequence Related to π and √2

Wieb Bosma, Michel Dekking, and Wolfgang Steiner

A5:
Explicit Examples of padic Numbers With Prescribed Irrationality Exponent

Yann Bugeaud and Tomislav Pejković

A6:
Mahler Takes a Regular View of Zaremba

A7:
Substitution Invariant Sturmian Words and Binary Trees

A8:
A Sufficient Condition for (θ^{n})_{n} to Have a Distribution Modulo One, When θ is in F_{2}(X)

JM. Deshouillers and R. Thangadurai

A9:
Implicit Function Theorem for Formal Power Series

A10:
A Brownian Quasihelix in R^{4}, Built From an Automatic Sequence

A11:
On Subwords in the Baseq Expansion of Polynomial and Exponential Functions

Hajime Kaneko and Thomas Stoll

A12:
Cyclic Complexity of Some Infinite Words and Generalizations

Colin Krawchuk and Narad Rampersad

A13:
Counting Subword Occurrences in Baseb Expansions

Julien Leroy, Michel Rigo, and Manon Stipulanti

A14:
Computational Rediscovery of Ramanujan's Tau Numbers

A15:
Finding the Four Squares in Lagrange's Theorem

Paul Pollack and Enrique Treviño

A16:
Connected Components of the Graph Generated by Power Maps in Prime Finite Fields

Carl Pomerance and Igor E. Shparlinski

A17:
Two Trees Enumerating the Positive Rationals

A18:
A Matrix Generalization of a Theorem of Fine