# A367749 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 13
4 73
5 501
6 4051
7 37633
8 394353
9 4777993
10 62569891
11 893927541
12 13827333433
13 234241234813
14 4212828738483
15 80727388033321
16 1641227208417121
17 35581993575319953
18 810641581182744643
19 19416795485684156893
20 487647253209539939241