# A211299 (b-file synthesized from sequence entry) 0 1 1 3 2 9 3 25 4 71 5 202 6 576 7 1643 8 4694 9 13434 10 38512 11 110577 12 317977 13 915753 14 2641181 15 7628464 16 22063605 17 63899510 18 185302479 19 538032124 20 1564079757 21 4552119931 22 13263345605 23 38686346248 24 112955785122 25 330131225222 26 965769993745 27 2827820620683 28 8287119688355 29 24305919832796 30 71344558858211