# A102252 (b-file synthesized from sequence entry) 1 1 2 2 3 4 4 8 5 16 6 21 7 24 8 248 9 481 10 681 11 6212 12 16212 13 42421 14 242484 15 842484 16 8168168 17 48168162 18 121621216 19 816212162 20 1242421242 21 4212162124 22 24212424848 23 42484842421 24 242484842484 25 816816848168 26 1684842484816 27 8168481681621