[1,1,2,6,14,31,73,172,400,932,2177,5081,11854, 27662,64554,150639,351521,820296,1914208,4466904, 10423761,24324417,56762346,132458006,309097942, 721296815,1683185225,3927803988,9165743600, 21388759708,49911830577,116471963129]