# A130455 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 6
4 27
5 175
6 1523
7 16744
8 222792
9 3482889
10 62611360
11 1273388483
12 28925945020
13 726303053021
14 19985519004484
15 598321182418026
16 19368155278585653
17 674303663351809096
18 25130986416486383799