# A153564 (b-file synthesized from sequence entry)
0 1
1 2
2 7
3 22
4 56
5 121
6 603
7 4292
8 34905
9 284158
10 2388099
11 29265021
12 473031984
13 9304582753
14 212580151667
15 5654131835907
16 189056293870086
17 7909530731661434