# A292757 (b-file synthesized from sequence entry)
0 1
1 2
2 4
3 15
4 72
5 467
6 3534
7 31675
8 321832
9 3692927
10 46988914
11 658330035
12 10056866292
13 166476324887
14 2967375285294
15 56673879465595
16 1154538708267952
17 24990204586402847
18 572731801523141674
19 13855288923332516355
20 352821804274904668812
21 9433763230045116440807
22 264251645557758720762054