# A127650 (b-file synthesized from sequence entry)
1 0
2 1
3 12
4 151
5 2180
6 36261
7 688408
8 14750191
9 352961064
10 9345270925
11 271562360036
12 8599866305031
13 294969253011628
14 10898548778881141
15 431703607027230000
16 18254845289747040991
17 820907602015573913552
18 39124764979819837803549
19 1970218861127675697564604