# A077596 (b-file synthesized from sequence entry) 1 1 2 2 3 4 4 8 5 15 6 30 7 57 8 108 9 206 10 393 11 752 12 1439 13 2772 14 5334 15 10327 16 19967 17 38808 18 75319 19 146844 20 285862 21 558723 22 1090370 23 2135551 24 4176224 25 8193490 26 16050930 27 31537017 28 61872863 29 121721157 30 239115024 31 470918888 32 926141652 33 1825708221