Created
August 19, 2012 17:21
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| use 5.010; | |
| use List::Util qw(sum); | |
| my @maxs = map { $_ ** 2 } map { 2 * $_ - 1 } 1 .. 501; | |
| my $step = sub { my $i = shift; ($i + 1) * 2; }; | |
| say sum(map { $maxs[$_] * 4 + $step->($_) * 6 } 0 .. ($#maxs-1)) + $maxs[$#maxs]; | |
| # 669171001 |
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