# A023915 (b-file synthesized from sequence entry)
0 1
1 600
2 75900
3 3555800
4 77836050
5 924978120
6 6901688200
7 37479599400
8 162981777750
9 594965730200
10 1897531134180
11 5410666657200
12 14097598363900
13 33985515175800
14 76830818652600
15 164035898209360