# A128977 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 3
4 20
5 115
6 270
7 385
8 5240
9 5625
10 21730
11 300905
12 1290540
13 20688785
14 307710550
15 328399335
16 10177758160
17 178604677415
18 377564871150
19 10567221422735
20 43779145175540
21 1141273698563775
22 26071162562264930