# A163136 (b-file synthesized from sequence entry) 1 1 2 2 3 4 4 13 5 41 6 133 7 457 8 1626 9 5983 10 22581 11 86273 12 332309 13 1289466 14 5037491 15 19814253 16 78464829 17 312698663 18 1253236364 19 5047142834 20 20408861265 21 82804575274 22 336913925731 23 1374181645807 24 5617148927835 25 23007022273962