MathPHP\Sequence\AdvancedTest::dataProviderForHeptagonalNumber PHP Метод

    public function dataProviderForHeptagonalNumber()
    {
        return [[-1, []], [0, []], [1, [1 => 1]], [2, [1 => 1, 7]], [3, [1 => 1, 7, 18]], [4, [1 => 1, 7, 18, 34]], [5, [1 => 1, 7, 18, 34, 55]], [6, [1 => 1, 7, 18, 34, 55, 81]], [27, [1 => 1, 7, 18, 34, 55, 81, 112, 148, 189, 235, 286, 342, 403, 469, 540, 616, 697, 783, 874, 970, 1071, 1177, 1288, 1404, 1525, 1651, 1782]]];
    }