# A151399 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 6 4 14 5 44 6 132 7 401 8 1327 9 4231 10 14123 11 47537 12 160013 13 551377 14 1895851 15 6587958 16 23061992 17 80886997 18 285961506 19 1013609292 20 3607287249 21 12892376175 22 46181318719 23 166012613410 24 598252219576 25 2160943489509 26 7825226695478 27 28390138542713 28 103212631759477 29 375912446455116 30 1371356707626747