# A136650 (b-file synthesized from sequence entry)
0 1
1 2
2 5
3 20
4 148
5 2208
6 67904
7 4264960
8 541216768
9 137984868352
10 70507295670272
11 72128242290524160
12 147646152060442771456
13 604610628447525580832768
14 4952364915780360673188380672
15 81134591384874923825347187179520