# A219220 (b-file synthesized from sequence entry)
0 1
1 1
2 6
3 91
4 2306
5 86576
6 4570570
7 333164243
8 33547502582
9 4704103190166
10 925622587155708
11 256758944391842662
12 100693326907873920440
13 55964816627849652514434
14 44167198051129910003931850
15 49561249392391287991062025027
16 79164926515567602205248823277126