# A296856 (b-file synthesized from sequence entry)
0 1
1 0
2 3
3 15
4 224
5 4545
6 126753
7 4626076
8 213703095
9 12167727543
10 835893746300
11 68091766034061
12 6483302813035857
13 712860388963255000
14 89585739948801890619
15 12753524767335858733935
16 2040804997678590563632568
17 364567987004433619078313961