# A101488 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 2 4 4 5 10 6 26 7 73 8 213 9 645 10 2007 11 6391 12 20741 13 68407 14 228753 15 774162 16 2647548 17 9138342 18 31802118 19 111489492 20 393442848 21 1396771812 22 4985732628 23 17884908282 24 64449398994 25 233220788850 26 847211744806 27 3088649627798