# A097682 (b-file synthesized from sequence entry)
0 1
1 8
2 64
3 512
4 4096
5 32768
6 262144
7 2097152
8 16817536
9 137443328
10 1215668224
11 13131579392
12 186802241536
13 3194809745408
14 57299125141504
15 1002518381330432
16 16747075923705856
17 268695698674024448
18 4294396462470529024