# A369599 (b-file synthesized from sequence entry) 0 1 1 2 2 5 3 15 4 54 5 223 6 993 7 4580 8 21521 9 102563 10 495318 11 2422302 12 11979965 13 59824535 14 301202673 15 1527118720 16 7789673832 17 39947163395 18 205835776301 19 1065155017623 20 5533253267649 21 28844759080896 22 150846487065730 23 791163319140664 24 4160593763997122