# A223943 (b-file synthesized from sequence entry)
1 2
2 9
3 54
4 321
5 1821
6 9919
7 52532
8 272997
9 1401993
10 7150718
11 36352875
12 184670276
13 938969921
14 4783571827
15 24431153268
16 125119394092