Catalan numbers/Pascal's triangle: Difference between revisions
Catalan numbers/Pascal's triangle (view source)
Revision as of 10:38, 20 September 2021
, 2 years agoAdded Quackery.
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{{Out}}
<pre>[1, 1, 2, 5, 14, 42, 132, 429, 1430, 4862, 16796, 58786, 208012, 742900, 2674440, 9694845]</pre>
=={{header|Quackery}}==
<lang Quackery> [ [] 0 rot 0 join
witheach
[ tuck +
rot join swap ]
drop ] is nextline ( [ --> [ )
[ ' [ 1 ] swap times
[ nextline nextline
dup dup size 2 /
split nip
2 split drop
do - echo sp ]
drop ] is catalan ( n --> )
15 catalan</lang>
{{out}}
<pre>1 2 5 14 42 132 429 1430 4862 16796 58786 208012 742900 2674440 9694845</pre>
=={{header|Racket}}==
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