http://www.perlmonks.org?node_id=175786


in reply to Re^2: Pascal's triangle...
in thread Pascal's triangle...

Yet another way:
use Math::Complex; use constant PI => pi(); # or just pi();

jeffa

L-LL-L--L-LL-L--L-LL-L--
-R--R-RR-R--R-RR-R--R-RR
B--B--B--B--B--B--B--B--
H---H---H---H---H---H---
(the triplet paradiddle with high-hat)