# A129580 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 35
4 167
5 862
6 4779
7 28287
8 177833
9 1182141
10 8276861
11 60830800
12 467892036
13 3756528046
14 31407155606
15 272873483535
16 2459042838030
17 22945764798093
18 221359390289706
19 2204643455978731
20 22639204005810330
21 239413600552185394