var n = [1,2,3,5,7,8,9,11,12,13,14,16,17,18,20,21,22,1,2,3,5,7,8,9,11,12,13,14,16,17,18,20,21,22,1,2,3,5,7,8,9,11,12,13,14,16,17,18,20,21,22];

    n.forEach((i, index) => {

    var series = [{data: [10]}, {data: []}, {data: []}, {data: []}, {data: [10]}, {data: []}, {data: [10]},

              {data: []}, {data: []}, {data: []}, {data: [10]},{data: []}, {data: []},{data: []}, {data: []},

              {data: [10]},{data: []},{data: []},{data: []},{data: [10]},{data: []}, {data: []}, {data: []}]

​

              var x = index < series.length ? series[index].data : null;

              console.log(x);

            });