# A294843 (b-file synthesized from sequence entry) 0 1 1 1 2 7 3 29 4 93 5 320 6 1026 7 3256 8 9995 9 30102 10 88722 11 257042 12 732876 13 2058370 14 5703858 15 15606076 16 42203027 17 112882223 18 298849221 19 783574536 20 2035876825 21 5244191462 22 13398463986 23 33967008194 24 85476285603 25 213583335753 26 530099612487 27 1307195997381 28 3203555001240 29 7804386224233