# A150630 (b-file synthesized from sequence entry) 0 1 1 2 2 7 3 27 4 115 5 496 6 2203 7 9920 8 45411 9 209940 10 979623 11 4601579 12 21744703 13 103247146 14 492314131 15 2355900011 16 11309419723 17 54439264932 18 262687966031 19 1270289989275 20 6154650238423 21 29871399257282 22 145206884273859 23 706861991466206 24 3445426296696735 25 16813717974366998 26 82139970279742863