# A333889 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 9
4 33
5 142
6 742
7 4454
8 30516
9 233574
10 1972430
11 18190806
12 181774873
13 1955268162
14 22516241557
15 276294103003
16 3598106433662
17 49551992313623
18 719398127720459
19 10979514511427858
20 175716291405379723
21 2942195925987952412
22 51436169813668249174
23 937106275320950472387
24 17761791825490936694507