# A192070 (b-file synthesized from sequence entry)
1 0
2 1
3 4
4 24
5 129
6 759
7 4455
8 26763
9 161898
10 988438
11 6069228
12 37460952
13 232160184
14 1443830084
15 9005809184
16 56316652784
17 352949825249
18 2216334391919
19 13941409199519
20 87830683173419
21 554096566907069
22 3499981913717189
23 22132830286939649