[1,2,3,6,12,26,60,144,366,960,2640,7464,21960, 66240,206760,660240,2172240,7298640,25179840, 88583040,319097520,1170650880,4387582080, 16728808320,65040796800,256987987200, 1033805566080,4222598688000,17536408243200, 73886160096000]