# A143597 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 3
4 19
5 297
6 8953
7 572155
8 72116459
9 18460128753
10 9414877745601
11 9640779710687955
12 19725063387945457219
13 80793830752052788593529
14 661701532957780822275151305
15 10841317673677535233876159099755