# A085560 (b-file synthesized from sequence entry) 0 1 1 3 2 8 3 21 4 56 5 151 6 410 7 1114 8 3027 9 8227 10 22362 11 60785 12 165230 13 449141 14 1220891 15 3318725 16 9021229 17 24522242 18 66658364 19 181196219 20 492542389 21 1338869025 22 3639423341 23 9892978333 24 26891903231 25 73099771885 26 198705781579