# A037696 (b-file synthesized from sequence entry)
1 1
2 7
3 38
4 190
5 951
6 4757
7 23788
8 118940
9 594701
10 2973507
11 14867538
12 74337690
13 371688451
14 1858442257
15 9292211288
16 46461056440
17 232305282201
18 1161526411007
19 5807632055038
20 29038160275190
21 145190801375951
22 725954006879757