# A148702 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 7 4 23 5 71 6 241 7 827 8 2969 9 10719 10 39869 11 149412 12 568421 13 2188494 14 8488370 15 33235585 16 131138445 17 520203906 18 2078395161 19 8342877038 20 33647604003 21 136384448249 22 554714145737 23 2265211261374 24 9282805581252 25 38149282176628 26 157293038322763 27 650217712657603 28 2694590903013221