# A370473 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 25
4 185
5 1501
6 12914
7 115723
8 1068505
9 10094770
10 97117624
11 948181724
12 9370734322
13 93562986440
14 942385174150
15 9563720899515
16 97696642766654
17 1003789888620166
18 10366477185870960
19 107548800153957745
20 1120374840689934195
21 11714707429579539268