# A212559 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 27
4 244
5 2745
6 36966
7 580111
8 10399096
9 209672721
10 4696872490
11 115732052271
12 3110867569140
13 90587751885241
14 2840805169411678
15 95450112571474095
16 3420897993621996016
17 130266500391456691233
18 5252293203395848789842
19 223535386151669737094095
20 10014286301754519472897900