Pascal's triangle to 5 rows, the first row is the zero row. It also called the Halayudha's triangle, in honor of the Sanskrit prosody scholar who described it. (See: Alexander Zawaira and Gavin Hitchcock (2008), A Primer for Mathematics Competitions, Oxford University Press, ISBN978-0-19-156170-2, page 237)
{{Information |Description=Pascal's triangle to 5 rows |Source=Extracted from PascalSimetria.svg with minor alterations |Date= ~~~~~ |Author= Conrad.Irwin |Permission= |other_versions= }}