note trammell Does this do what you want? <code> my $n = $ARGV[0] || 5; my @terms = qw( a[0][0] a[0][1] ); foreach my $i (1 .. $n-1) { @terms = map { ("$_ a[$i][0]","$_ a[$i][1]") } @terms; } foreach my $i (0 .. $#terms) { print "term[$i] = $terms[$i]\n"; } </code> <b>Update:</b> fixed off-by-one error 521350 521350