This finds your sample, 82000 in a split second:
#! perl -slw
use strict;
sub gen{
my( $n, $p ) = @_;
return 1 if $p == 0;
my @n = gen( $n, $p - 1 );
my $v = $n**$p;
return @n, $v, map{ $v + $_ } @n;
}
our $LIMIT //= 10;
our $N //= 5;
my %tests;
for( 3 .. $N ) {
++$tests{ $_ } for gen( $_, $LIMIT );
}
$tests{ $_ } == $N-2 and print for sort{ $a <=> $b } keys %tests;
__END__
C:\test>1130506
1
82000
To go much higher you'd probably have to convert the recursive generator to an iterator to avoid memory problems.
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