# A150718 (b-file synthesized from sequence entry) 0 1 1 2 2 8 3 28 4 116 5 465 6 2002 7 8437 8 37237 9 161422 10 722872 11 3193287 12 14438915 13 64628012 14 294304218 15 1330034420 16 6090094043 17 27725305017 18 127515229293 19 583875027223 20 2695253214088 21 12398866699006 22 57412413236322 23 265130888541365 24 1230934711860059 25 5702885873267887 26 26537994068161571 27 123289342436536590