# A268329 (b-file synthesized from sequence entry) 5 2 6 10 7 40 8 150 9 550 10 2002 11 7280 12 26520 13 96900 14 355300 15 1307504 16 4828850 17 17895150 18 66533250 19 248124000 20 927983760 21 3479939100 22 13082337900 23 49295766000 24 186156379500 25 704415740028 26 2670587146260 27 10142836030240 28 38586876202000 29 147029304149000