# A221834 (b-file synthesized from sequence entry) 1 1 2 1 3 2 4 3 5 7 6 13 7 27 8 54 9 111 10 225 11 456 12 926 13 1877 14 3796 15 7671 16 15483 17 31212 18 62859 19 126484 20 254296 21 510892 22 1025765 23 2058395 24 4128578 25 8277344 26 16589180 27 33237163 28 66574351 29 133318484 30 266924608 31 534335692 32 1069492787 33 2140370294 34 4283071475 35 8570061106