# A131538 (b-file synthesized from sequence entry)
0 0
1 2
2 18
3 44
4 192
5 315
6 3396
7 8556
8 13327
9 81785
10 279267
11 865357
12 1799674
13 1727603
14 8760851
15 63416791
16 106892452