Why does it have to be "recursive"? That doesn't make sense. This smells like homework. {grin} In any event, something this simple would do it: 
my $hash_ref = {map { $_ => [1..$_] } 10..20 };

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There. A hash ref of arrayrefs.

-- Randal L. Schwartz, Perl hacker

In reply to RE: Hash Push by merlyn
in thread Hash Push by Adam

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