# A124803 (b-file synthesized from sequence entry)
0 1
1 31
2 91
3 211
4 567
5 1511
6 4147
7 11483
8 32143
9 90607
10 256971
11 732323
12 2095527
13 6016951
14 17327779
15 50028971
16 144768703
17 419747711
18 1219179643
19 3546768563
20 10332747607
21 30141046727
22 88025807059
23 257351710523
24 753131995951