# A108082 (b-file synthesized from sequence entry)
0 1
1 4
2 26
3 176
4 1204
5 8273
6 56967
7 392688
8 2708322
9 18683233
10 128892764
11 889172365
12 6133354976
13 42300883471
14 291696384929
15 2011120962840
16 13863370486596
17 95548230542403
18 658416136868846
19 4536321401562529