# A109899 (b-file synthesized from sequence entry)
1 3
2 2
3 105
4 12
5 27027
6 160
7 18706545
8 15
9 1616615
10 96768
11 55382044433625
12 336
13 182057820682381875
14 158146560
15 260015
16 495
17 5087360695596105163111875
18 12812800
19 39805919884778682846001415625
20 576576
21 767633625