# A260217 (b-file synthesized from sequence entry)
1 0
2 0
3 4
4 24
5 100
6 360
7 1204
8 3864
9 12100
10 37320
11 114004
12 346104
13 1046500
14 3155880
15 9500404
16 28566744
17 85831300
18 257756040
19 773792404
20 2322425784
21 6969374500
22 20912317800
23 62745342004
24 188252803224
25 564791964100
26 1694443001160
27 5083463221204
28 15250658099064