# A370245 (b-file synthesized from sequence entry)
0 1
1 2
2 16
3 110
4 828
5 6352
6 49696
7 393668
8 3148316
9 25362992
10 205519616
11 1673272702
12 13677016932
13 112165564656
14 922490228032
15 7605558361960
16 62839438825244
17 520180768020464
18 4313251202569216
19 35818392770702104
20 297846498752214128
21 2479748570715505472