# A155073 (b-file synthesized from sequence entry)
0 1
1 18
2 224
3 2832
4 35776
5 451968
6 5709824
7 72133632
8 911282176
9 11512455168
10 145439719424
11 1837376274432
12 23212033048576
13 293243406778368
14 3704617145729024
15 46801353002975232
16 591253173201534976
17 7469448902442221568
18 94363412214918938624
19 1192116537798565036032