# A224786 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 2
4 6
5 23
6 110
7 607
8 3742
9 25324
10 185566
11 1457998
12 12195992
13 108010446
14 1008224881
15 9883048933
16 101418491070
17 1086613660608
18 12126900841444
19 140682966122152
20 1693340044490513
21 21111988598271746
22 272228110567491910
23 3625334790162237116