# A320563 (b-file synthesized from sequence entry) 0 1 1 1 2 4 3 13 4 41 5 125 6 374 7 1103 8 3213 9 9259 10 26430 11 74806 12 210095 13 585890 14 1623240 15 4470232 16 12241799 17 33349751 18 90410255 19 243977941 20 655553258 21 1754265279 22 4676358086 23 12420299846 24 32873598566 25 86721264126 26 228051843891 27 597905347237 28 1563071037798 29 4074973824099