# A174795 (b-file synthesized from sequence entry)
1 1
2 2
3 5
4 14
5 56
6 202
7 715
8 3244
9 12945
10 49742
11 238048
12 996158
13 3991995
14 19676358
15 84649176
16 347993910
17 1747681160
18 7656026268
19 32018897274
20 162900330572
21 722787262419
22 3060338457400
23 15718332812096
24 70407433197686