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Manuals/calci/Pascal Triangle Fun (view source)
Revision as of 16:07, 7 August 2020
, 16:07, 7 August 2020→Pascal Triangle and Figurate Numbers
[https://en.wikipedia.org/wiki/Figurate_number]
[https://en.wikipedia.org/wiki/Figurate_number]
[https://www.mathsisfun.com/algebra/triangular-numbers.html Triangular Numbers]
[https://en.wikipedia.org/wiki/Tetrahedral_number Tetrahedral Numbers]
[https://en.wikipedia.org/wiki/Figurate_number Figurate Number]
<pre>
figuratenumbers=(n,r)=>(n+r-1)!C!r;
figuratenumbers=(n,r)=>(n+r-1)!C!r;
a=[1..10,0..10]@figuratenumbers;
a=[1..10,0..10]@figuratenumbers;
a.parts(10)
a.parts(10)
</pre>
==Lucas, Fibonacci, Golden Ratio Relationship ==
==Lucas, Fibonacci, Golden Ratio Relationship ==