Péter, Rózsa Mathematics is beautiful. (Translated by Leon Harkleroad). (English) Zbl 0709.00523 Math. Intell. 12, No. 1, 58 (1990). This paper is a translation, with excerpting and editing by the Intelligencer, of an address that Rózsa Péter delivered to high school teachers and students in 1963 in Rostock, German Democratic Republic. The original version was published in Mathematik in der Schule 2, 81–90 (1964). MSC: 00A09 Popularization of mathematics PDF BibTeX XML Cite \textit{R. Péter}, Math. Intell. 12, No. 1, 58 (1990; Zbl 0709.00523) Full Text: DOI Online Encyclopedia of Integer Sequences: Periodic sequence (0, 2, 6, 2, 0).