[0,1,1,2,4,9,20,48,115,286,719,1842,4765,12484,
32968,87798,235346,634752,1720897,4687949,
12824195,35216118,97039045,268237121,743594937,
2066803841,5758576675,16080698759,44998355630,
126161517745,354354779794,996963790045,
2809334906744,7928088014833,22404525682610]
|