# A140092 (b-file synthesized from sequence entry)
1 1
2 2
3 6
4 28
5 174
6 1308
7 11300
8 108808
9 1145078
10 12996332
11 157580252
12 2026874424
13 27507762028
14 392226116696
15 5855551243464
16 91263899531280
17 1481385005886374
18 24989341719984972
19 437270678940944556
20 7923785627972483672