# A206763 (b-file synthesized from sequence entry)
0 1
1 1
2 0
3 3
4 23
5 225
6 2824
7 42670
8 762286
9 15647321
10 363901749
11 9443387329
12 270721307582
13 8493470965716
14 289518611494068
15 10653599202688527
16 420933469388468297
17 17773313165985120798
18 798686060913371460133
19 38058408270727983373232