# A181594 (b-file synthesized from sequence entry)
1 1
2 2
3 6
4 25
5 128
6 758
7 5014
8 36194
9 280433
10 2303918
11 19885534
12 179028087
13 1671644720
14 16114138846
15 159761516110
16 1623972412726
17 16880442523007
18 179026930243822
19 1933537655138482
20 21231023519199575
21 236674460790503286
22 2675162663681345170
23 30625903703241927542