# A318123 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 2 4 3 5 6 6 11 7 22 8 42 9 90 10 165 11 364 12 710 13 1586 14 2885 15 6288 16 12546 17 28686 18 55406 19 130284 20 261016 21 555716 22 1149559 23 2552096 24 5429610 25 11510594 26 23650462 27 54063580 28 109053128 29 262968892 30 501771275 31 1192348336 32 2635608642 33 5766609158 34 11935917602 35 28867050172 36 58702673480