Notes on Number Theory and Discrete Mathematics is a journal with international editorial board, published in Bulgaria under ISSN 1310-5132 (print), 2367-8275 (online). Since its beginning in 1995, it is being regularly published with 4 numbers per year, except of Volume 1. Since 2013, the Journal has become an official publication of the “Marin Drinov” Academic Publishing House of the Bulgarian Academy of Sciences.

The main topics of research in the fields of number theory and discrete mathematics, which are covered by the contents of the Journal, are:

• Elementary number theory
• Arithmetic functions
• Prime numbers
• Fibonacci sequence and its generalizations
• Recurrences
• Diophantine equations
• Combinatorics
• Combinatorial identities and inequalities
• Discrete mathematics, and others.

The papers of the journal are indexed in Web of Science Emerging Sources Citation Index and other databases. Journal copies are archived in the “St. St. Cyril and Methodius” National Library of Bulgaria.

The Journal invites authors in the field to send for publication their original papers with respect to the Journal’s publishing ethics policy and the instructions for layout and formatting.