# A169791 (b-file synthesized from sequence entry)
1 9
2 3
3 4
4 8
5 24
6 74
7 444
8 1614
9 15684
10 29400
11 50124
12 556274
13 5332128
14 11110428
15 50395440
16 509562294
17 1296895890
18 13314115434
19 187660997904
20 326585290794
21 4788143252148