# A094255 (b-file synthesized from sequence entry) 1 1 2 4 3 9 4 28 5 75 6 211 7 577 8 1591 9 4367 10 12004 11 32975 12 90607 13 248931 14 683946 15 1879112 16 5162835 17 14184754 18 38972316 19 107075529 20 294187633 21 808273837 22 2220714167 23 6101361970 24 16763354312 25 46056937364 26 126540395519