# A151021 (b-file synthesized from sequence entry)
0 1
1 2
2 10
3 36
4 172
5 728
6 3464
7 15568
8 74544
9 344736
10 1661120
11 7813024
12 37832352
13 179948288
14 874662336
15 4193406912
16 20443796032
17 98592134144
18 481820595712
19 2334160892160
20 11429701284096
21 55569137960192
22 272556972992768
23 1328958266428416
24 6527479856821248
25 31903065081293824
26 156888633418270720