Triangular

A000217

Under OEIS <a href="https://oeis.org/A000217">A000217</a>, a Triangular number counts objects arranged in an equilateral triangle.
First 6 Triangular numbers are 0, 1, 3, 6, 10, 15.

Generates well-known integer sequences. 'gmp' package is adopted for computing with arbitrarily large numbers. Every function has hyperlink to its corresponding item in OEIS (The On-Line Encyclopedia of Integer Sequences) in the function help page. For interested readers, see Sloane and Plouffe (1995, ISBN:978-0125586306).

Kisung You

Zseq

Integer Sequence Generator

Triangular function

<dl><dt>n</dt>
<dd>the number of first <code>n</code> entries from the sequence.</dd>
<dt>gmp</dt>
<dd>a logical; <code>TRUE</code> to use large number representation, <code>FALSE</code> otherwise.</dd></dl>

Arguments

Under OEIS <a href='https://oeis.org/A000217'>A000217</a>, a Triangular number counts objects arranged in an equilateral triangle.
First 6 Triangular numbers are 0, 1, 3, 6, 10, 15.

Triangular numbers — Triangular

<dl>

<dt>n</dt>
<dd>the number of first <code>n</code> entries from the sequence.</dd>


<dt>gmp</dt>
<dd>a logical; <code>TRUE</code> to use large number representation, <code>FALSE</code> otherwise.</dd>

</dl>

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Triangular: Triangular numbers

Description

Usage

Value

Arguments

Examples