ntri

Positive integer value for sequence length.


Return the series of triangular (/triangle) numbers up to a number of
<code>n</code> rows of a triangle. The series has the entry number "A000217"
at <a href="https://oeis.org/A000217">https://oeis.org/A000217</a> and starts like this:
0, 1, 3, 6, 10, ...


number

triangle

triangular

A collection of miscellaneous methods to simplify various tasks,
including plotting, data.frame and matrix transformations, environment
functions, regular expression methods, and string and logical operations, as
well as numerical and statistical tools. Most of the methods are simple but
useful wrappers of common base R functions, which extend S3 generics or
provide default values for important parameters.

ntri: Return Triangular Numbers

Description

Usage

Arguments

Value