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<?php // The magic three sequence is the sum of the previous three values minus 1. // // 0,1,1,1,2,3,5,9,16, function magicThree($n) { if ($n < 1) return; $n--; // To an index; $s = array(0,1,1,1); if ($n > 3) { for ($i = 4; $i <= $n; $i++) { $s[$i] = $s[$i-1] + $s[$i-2] + $s[$i-3] - 1; } } print $s[$n]; } magicThree(7); ?>
Output for git.master, git.master_jit, rfc.property-hooks
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