# A355347 (b-file synthesized from sequence entry)
0 1
1 7
2 44
3 275
4 1729
5 10948
6 69768
7 447051
8 2877875
9 18599295
10 120609840
11 784384692
12 5114119724
13 33417386200
14 218786861392
15 1434903854139
16 9425348845815
17 61997934676405
18 408323057257500
19 2692322893972635
20 17770644483690945
21 117406930477134480
22 776363580147660960