# A151425 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 4 4 11 5 28 6 82 7 242 8 752 9 2379 10 7750 11 25692 12 86635 13 296558 14 1027851 15 3603503 16 12758718 17 45585878 18 164181411 19 595669369 20 2175535954 21 7994009929 22 29537993178 23 109704376600 24 409377743815 25 1534371295481 26 5774424726514 27 21814125817926 28 82700717070725 29 314575421938613 30 1200315307181211 31 4593459795047725