Catalan numbers/Pascal's triangle: Difference between revisions
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<lang Oforth>import: mapping |
<lang Oforth>import: mapping |
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: pascal(n -- [] ) |
: pascal( n -- [] ) |
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[ 1 ] #[ dup [ 0 ] + [ 0 ] rot + zipWith( #+ ) ] times |
[ 1 ] n #[ dup [ 0 ] + [ 0 ] rot + zipWith( #+ ) ] times ; |
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: catalan( n -- m ) |
: catalan( n -- m ) |
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