# A054227 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 2 4 6 5 10 6 19 7 32 8 58 9 105 10 194 11 364 12 682 13 1295 14 2467 15 4723 16 9059 17 17448 18 33706 19 65256 20 126643 21 246179 22 479336 23 934603 24 1824646 25 3566467 26 6978040 27 13666391 28 26788334 29 52551600 30 103168475 31 202676349 32 398411711 33 783639902 34 1542192977