# A295059 (b-file synthesized from sequence entry) 0 1 1 4 2 10 3 23 4 51 5 108 6 223 7 454 8 917 9 1845 10 3702 11 7417 12 14848 13 29711 14 59438 15 118893 16 237804 17 475627 18 951274 19 1902569 20 3805160 21 7610344 22 15220713 23 30441452 24 60882931 25 121765890 26 243531809 27 487063648