# A083882 (b-file synthesized from sequence entry)
0 1
1 4
2 19
3 100
4 553
5 3124
6 17803
7 101812
8 583057
9 3340900
10 19147459
11 109747972
12 629066809
13 3605810836
14 20668618171
15 118473404500
16 679095199777
17 3892607339716
18 22312621120627
19 127897073548708
20 733112513821513