Ciento quince (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ciento quince" in Spanish language version.

refsWebsite

Global rank Spanish rank

2books.google.com

3^rd place

7^th place

742^nd place

3,051^st place

books.google.com

The Rough Guide to Southeast Asia On A Budget, Penguin, 2014, p. 1286, ISBN 9780241012727 ..
DK Eyewitness Travel Guide: Italy, Penguin, 2013, p. 619, ISBN 9781465414946 ..

oeis.org

"Sloane's A002413 : Heptagonal (or 7-gonal) pyramidal numbers: n*(n+1)*(5*n-2)/6", en The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.