# A086365 (b-file synthesized from sequence entry)
0 1
1 4
2 15
3 75
4 428
5 2781
6 20093
7 159340
8 1372163
9 12725447
10 126238060
11 1332071241
12 14881206473
13 175297058228
14 2169832010759
15 28136696433171
16 381199970284620
17 5383103100853189
18 79065882217154085
19 1205566492711167004
20 19049651311462785947