# A293042 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 1
4 1
5 9
6 47
7 339
8 2705
9 24402
10 244294
11 2689669
12 32297985
13 420096147
14 5883813373
15 88287031271
16 1412982765793
17 24026200566404
18 432554403678604
19 8219863859175945
20 164419973194802817
21 3453229295483253853
22 75978854506098365995
23 1747670263607990439483