[1,1,3,6,24,98,240,878,13104,34560,143840,1628640, 4421376,27644438,291751956,1666163520,10523628456, 216625138884,779556556800,5873176163328, 107021765366544,633207380826720,6399554302310400, 66975753492138600,594616643557427040]