100.35 Proof without words: the average of square pyramidal and triangular is tetrahedral

Autor:	Tom Edgar
Rok vydání:	2016
Předmět:	Discrete mathematics Combinatorics Proof without words Square pyramidal number General Mathematics Tetrahedron Tetrahedral number 5-cell Pyramidal number Square pyramidal molecular geometry Mathematics
Zdroj:	The Mathematical Gazette. 100:516-517
ISSN:	2056-6328 0025-5572
DOI:	10.1017/mag.2016.122
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::8384e60cb7062897c8af8409a67b73f3 https://doi.org/10.1017/mag.2016.122 Zobrazit plný text záznamu