# A352681 (b-file synthesized from sequence entry) 0 1 1 4 2 5 3 11 4 29 5 84 6 258 7 825 8 2717 9 9152 10 31382 11 109174 12 384370 13 1366936 14 4903140 15 17718165 16 64442205 17 235717800 18 866573070 19 3200179290 20 11865909990 21 44158628280 22 164881364700 23 617507304570 24 2319082988274 25 8731658843424 26 32953192276508 27 124635610132460