RosettaCodeData/Task/Catalan-numbers/Perl/catalan-numbers-3.pl
2023-07-01 13:44:08 -04:00

6 lines
135 B
Raku

use ntheory qw/binomial/;
sub catalan {
my $n = shift;
binomial(2*$n,$n)/($n+1);
}
print "$_\t", catalan($_), "\n" for 0 .. 10000;