f=: +/@(_1 _3 _5&{)
(,f)^:(i.4) _3 _1 4 8 15
_3 _1 4 8 15 0 0 0
_3 _1 4 8 15 16 0 0
_3 _1 4 8 15 16 23 0
_3 _1 4 8 15 16 23 42
----- Original Message -----
From: Martin Pelletier <[EMAIL PROTECTED]>
Date: Wednesday, May 16, 2007 4:15 pm
Subject: Re: [Jprogramming] the most impressive & beautiful J phrase
> Seeing that page made me think, has anyone ever tried finding a
> verb
> that would produce the infamous sequence of numbers from Lost?
>
> For reference: 4 8 15 16 23 42
>
> Martin
>
> Roger Hui wrote:
> >
> http://www.jsoftware.com/jwiki/Essays/Fibonacci_Sequence#generating_functions>
> (%-.-*:)t.
> > computes the n-th Fibonacci number. e.g.
> > (%-.-*:)t. 200x
> > 280571172992510140037611932413038677189525
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