# A363573 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 16
4 99
5 670
6 4804
7 35855
8 275635
9 2167577
10 17354844
11 140994899
12 1159398760
13 9631155422
14 80703507043
15 681333999628
16 5789823864323
17 49484286592503
18 425092050147999
19 3668385302806058
20 31786451503719132
21 276447315011186576
22 2412336247105063011
23 21114946136742383146