# A226188 (b-file synthesized from sequence entry) 1 1 2 2 3 4 4 8 5 16 6 31 7 60 8 116 9 227 10 441 11 859 12 1674 13 3260 14 6349 15 12367 16 24088 17 46916 18 91380 19 177984 20 346666 21 675214 22 1315136 23 2561536 24 4989191 25 9717617 26 18927334 27 36865412