# A374096 (b-file synthesized from sequence entry) 1 1 2 4 3 16 4 59 5 214 6 768 7 2745 8 9792 9 34900 10 124339 11 442906 12 1577540 13 5618665 14 20011452 15 71272296 16 253840779 17 904068526 18 3219889720 19 11467810393 20 40843217384 21 145465283884 22 518082304131 23 1845177508818 24 6571697181084 25 23405446635913 26 83359734391300 27 296890096642144