# A257289 (b-file synthesized from sequence entry)
0 1
1 16
2 200
3 2248
4 23816
5 243016
6 2416520
7 23583688
8 226933256
9 2159839816
10 20378082440
11 190918934728
12 1778399954696
13 16486635929416
14 152228014061960
15 1400838452135368
16 12853836673840136
17 117654854901535816
18 1074656292809619080
19 9798007424852945608