# A039740 (b-file synthesized from sequence entry)
1 1
2 4
3 12
4 44
5 182
6 796
7 3612
8 16786
9 79426
10 381250
11 1851832
12 9086022
13 44970688
14 224279188
15 1126038472
16 5687027204
17 28873452032
18 147281732692
19 754443210294