# A133681 (b-file synthesized from sequence entry)
0 1
1 9
2 162
3 2268
4 34992
5 519048
6 7820712
7 117100728
8 1757770632
9 26359001208
10 395430367752
11 5931183418488
12 88969383864072
13 1334530962440568
14 20018023209731592
15 300269995507235448
16 4504052048440962312