MathPHP\Probability\CombinatoricsTest::dataProviderForSubfactorial PHP Метод

    public function dataProviderForSubfactorial()
    {
        return [[0, 1], [1, 0], [2, 1], [3, 2], [4, 9], [5, 44], [6, 265], [7, 1854], [8, 14833], [9, 133496], [10, 1334961]];
    }