# A149329 (b-file synthesized from sequence entry) 0 1 1 1 2 4 3 12 4 39 5 148 6 550 7 2071 8 8161 9 32396 10 128707 11 521583 12 2129664 13 8706306 14 35920334 15 149087733 16 619863981 17 2589541208 18 10865234502 19 45674123835 20 192548458938 21 814243566145 22 3449403678162 23 14641287502016 24 62285013815016 25 265384423471876 26 1132421803033238 27 4840177356527085