# A107553 (b-file synthesized from sequence entry)
0 1
1 800
2 116320
3 6665088
4 207617600
5 4135673952
6 58211319200
7 619851608000
8 5247606827648
9 36675485218720
10 217904913709792
11 1126575359557120
12 5164573802656960
13 21319774931941600
14 80267969765109280
15 278573552098758208
16 899237008732376320
17 2720549380000191520