# A280620 (b-file synthesized from sequence entry)
1 1
2 0
3 1
4 4
5 1
6 100
7 161
8 1764
9 22001
10 49700
11 1649921
12 10057124
13 105372001
14 2044251300
15 12879413281
16 315936586084
17 3892292034001
18 49987743460900
19 1185027040858241
20 13878406361764644
21 321536491629592001
22 6033371812540110500
23 100320731761080176801
24 2657253524511363224804
25 47170890863193411630001
26 1155602674484930034008100
27 28284869824153625118984961