Van Eck sequence: Difference between revisions

Content added Content deleted
(Add COBOL)
(Added Quackery.)
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N=1000 -> [4, 7, 30, 25, 67, 225, 488, 0, 10, 136]
N=1000 -> [4, 7, 30, 25, 67, 225, 488, 0, 10, 136]
N=10000 -> [7, 43, 190, 396, 2576, 3142, 0, 7, 7, 1]</pre>
N=10000 -> [7, 43, 190, 396, 2576, 3142, 0, 7, 7, 1]</pre>

=={{header|Quackery}}==

<lang Quackery> [ ' [ 0 ]
swap 1 - times
[ dup behead swap find
2dup swap size 1 - <
iff 1+ else [ drop 0 ]
swap join ]
reverse ] is van-eck ( n --> [ )

10 van-eck echo cr
1000 van-eck -10 split echo drop</lang>

{{out}}

<pre>[ 0 0 1 0 2 0 2 2 1 6 ]
[ 4 7 30 25 67 225 488 0 10 136 ]
</pre>


=={{header|Racket}}==
=={{header|Racket}}==