# A030804 (b-file synthesized from sequence entry)
1 1
2 2
3 8
4 32
5 160
6 963
7 6746
8 53974
9 485771
10 4857717
11 53434892
12 641218712
13 8335843266
14 116701805732
15 1750527085987
16 28008433375798
17 476143367388568
18 8570580612994224
19 162841031646890261
20 3256820632937805228