[1,1,2,6,20,86,662,8120,171526,5909259,348089533,33883250874,5476590066777,1490141905609371,666003784522738152,509204473666338077658,636051958071749028811326,1375164117171886868027357906,4844133410739656724629165903483,29777568550007746192195431057341474]
|