gistfile1.txt

return (from table in theTable
                    where table.IndexType == Indices.AttainedAge
                    select new AggregatedTable(Enumerable.Range(0, theTable[0].LayerCount).Select(layerIndex => new OneDimensionalLayerExportAdapter(table, layerIndex)).ToArray())
                    into aggregatedTable select new[] { aggregatedTable }).Cast<IEnumerable<IExportAdapter>>().ToList();