PhpSpreadsheet/tests/data/Calculation/MathTrig/SERIESSUM.php

<?php

return [
    [
        5,
        1,
        1,
        [
            [
                1,
                1,
                1,
                1,
                1,
            ],
        ],
        3905,
    ],
    [
        2,
        1,
        2,
        [
            [
                1,
                2,
                3,
                4,
                5,
            ],
        ],
        3186,
    ],
];