# A182904 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 4 4 9 5 21 6 48 7 112 8 263 9 623 10 1484 11 3550 12 8525 13 20537 14 49612 15 120136 16 291519 17 708699 18 1725714 19 4208364 20 10276173 21 25122829 22 61486180 23 150632012 24 369361757 25 906462529 26 2226297008 27 5471757126 28 13457326605 29 33117622245 30 81547372396