# A227094 (b-file synthesized from sequence entry)
0 1
1 2
2 5
3 18
4 91
5 574
6 4199
7 34650
8 318645
9 3237034
10 36041657
11 436713506
12 5722676895
13 80654047942
14 1216703923147
15 19562850695690
16 333991034593833
17 6034449711055890
18 115036771019660269
19 2307582082535387570
20 48588759062255598563
21 1071533741191907032590