# A001036 (b-file synthesized from sequence entry) 1 1 2 2 3 4 4 7 5 13 6 22 7 40 8 70 9 126 10 225 11 411 12 746 13 1376 14 2537 15 4719 16 8799 17 16509 18 31041 19 58635 20 111012 21 210870 22 401427 23 766149 24 1465019 25 2807195 26 5387990 27 10358998 28 19945393 29 38458183 30 74248450 31 143522116 32 277737796 33 538038782 34 1043325197