[1,1,2,7,29,129,600,2889,14293,72228,371208, 1934236,10194853,54258010,291175463,1573878211, 8560931357,46825444031,257386132988,1421034475176, 7876770462043,43817869686744,244552276036950, 1368945007588648,7683977372121530]