# A287317 (b-file synthesized from sequence entry)
0 1
1 10
2 270
3 10900
4 551950
5 32232060
6 2070891900
7 142317232200
8 10277494548750
9 770878551371500
10 59577647564312020
11 4717432065143561400
12 381091087190569291900
13 31308955091335405435000
14 2609450031306515140215000
15 220199552765301571338488400