# A177178 (b-file synthesized from sequence entry)
0 1
1 8
2 17
3 100
4 475
5 2843
6 16691
7 105026
8 668777
9 4379697
10 29069769
11 195897417
12 1334255973
13 9178287643
14 63648492949
15 444568586864
16 3124500279731
17 22080853944311
18 156808387564259
19 1118463885704019
20 8009066218515015