# A027228 (b-file synthesized from sequence entry) 0 1 1 3 2 10 3 25 4 73 5 170 6 468 7 1050 8 2799 9 6138 10 16043 11 34644 12 89390 13 190913 14 488285 15 1034228 16 2628861 17 5532322 18 14000177 19 29311171 20 73936801 21 154145390 22 387911301 23 805899231 24 2024537328 25 4193625311 26 10521409964 27 21738996250