var seq = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10],
    pick = 3,
    skip = 2;

var r = skipFilter(seq, pick, skip);
console.log(r);

function skipFilter(seq, pick, skip)
{
    var stride = pick + skip;

    return seq.filter(function(_, i) {
        return i % stride < pick;
    });
}