# A048096 (b-file synthesized from sequence entry) 1 0 2 0 3 0 4 0 5 2 6 8 7 20 8 41 9 63 10 126 11 252 12 505 13 1000 14 1936 15 3652 16 7305 17 14313 18 27573 19 52325 20 97868 21 180404 22 327692 23 586568 24 1034930 25 2718254 26 5012504 27 9131804 28 16440929 29 29259404 30 51482510 31 89575460 32 154146135 33 262403715 34 441956955