# A178320 (b-file synthesized from sequence entry) 0 1 1 2 2 6 3 14 4 35 5 85 6 208 7 508 8 1241 9 3032 10 7407 11 18096 12 44209 13 108005 14 263861 15 644625 16 1574849 17 3847430 18 9399452 19 22963302 20 56100424 21 137055967 22 334834156 23 818015548 24 1998450352 25 4882307945 26 11927707309 27 29139948412 28 71190260748