# A132786 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 2
4 4
5 13
6 62
7 450
8 4957
9 76044
10 1541127
11 39728450
12 1267255834
13 48961239415
14 2252141776893
15 121592967332507
16 7613205277912690
17 547136339195250416
18 44730865096435725972
19 4127594197552951257737
20 426926666616809171606528