# A025252 (b-file synthesized from sequence entry) 1 0 2 1 3 2 4 1 5 6 6 9 7 12 8 41 9 60 10 121 11 310 12 505 13 1162 14 2577 15 4760 16 11089 17 23256 18 47089 19 107274 20 223345 21 476366 22 1061017 23 2237796 24 4888313 25 10745748 26 23048169 27 50792638 28 111180265 29 241786898 30 534219297 31 1170798128 32 2570337441 33 5684509232 34 12503504353 35 27613172114