# A180266 (b-file synthesized from sequence entry)
0 0
1 1
2 2
3 10
4 50
5 238
6 1092
7 4884
8 21450
9 92950
10 398684
11 1696396
12 7171892
13 30161740
14 126293000
15 526864680
16 2191034970
17 9086921190
18 37596989100
19 155232577500
20 639749274780
21 2632212288420
22 10814090022840
23 44369043365400