# A071716 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 7
4 19
5 56
6 174
7 561
8 1859
9 6292
10 21658
11 75582
12 266798
13 950912
14 3417340
15 12369285
16 45052515
17 165002460
18 607283490
19 2244901890
20 8331383610
21 31030387440
22 115948830660
23 434542177290
24 1632963760974
25 6151850548776