# A106362 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 2 5 4 6 10 7 28 8 77 9 221 10 650 11 1951 12 5920 13 18211 14 56509 15 176919 16 557786 17 1769966 18 5647568 19 18110734 20 58335561 21 188658338 22 612337013 23 1994058293 24 6513153445 25 21332562178 26 70048092196 27 230550762108 28 760462920317