[2,7,25,89,317,1129,4021,14321,51005,181657, 646981,2304257,8206733,29228713,104099605, 370756241,1320467933,4702916281,16749684709, 59654886689,212464029485,756701861833, 2695033644469,9598504657073,34185581260157, 121753753094617]