# A107029 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 3 4 5 5 7 6 11 7 19 8 35 9 69 10 151 11 339 12 829 13 2111 14 5607 15 15737 16 45289 17 136477 18 423279 19 1353671 20 4471673 21 15114479 22 52605755 23 187162155 24 681817179 25 2539492249 26 9646349779 27 37415172217 28 147745308403 29 594368656811