# A257863 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 3 4 5 5 7 6 12 7 18 8 29 9 45 10 72 11 112 12 178 13 279 14 441 15 693 16 1094 17 1721 18 2714 19 4273 20 6735 21 10607 22 16715 23 26329 24 41485 25 65352 26 102965 27 162209 28 255560 29 402613 30 634306 31 999306 32 1574368 33 2480323 34 3907638 35 6156268 36 9698906 37 15280112 38 24073063 39 37925860 40 59750293