# A378621 (b-file synthesized from sequence entry) 0 1 1 1 2 4 3 5 4 11 5 16 6 36 7 65 8 142 9 285 10 595 11 1210 12 2497 13 5134 14 10726 15 22637 16 48383 17 104066 18 224296 19 481985 20 1030299 21 2188912 22 4626313 23 9743750 24 20492711 25 43114180 26 90843475 27 191776658 28 405528200 29 858384333 30 1817311451 31 3845500427 32 8129033837 33 17162815092