# A324376 (b-file synthesized from sequence entry) 0 1 1 0 2 1 3 2 4 4 5 6 6 13 7 48 8 149 9 286 10 832 11 2304 12 6560 13 13630 14 35937 15 95816 16 242496 17 586480 18 1492057 19 3928292 20 10019073 21 24819960 22 63656169 23 163618614 24 416809221 25 1731461192 26 6214212533