# A073512 (b-file synthesized from sequence entry)
1 0
2 2
3 18
4 135
5 1013
6 8458
7 72257
8 628206
9 5556434
10 49815418
11 451476802
12 4128049326
13 38024311091
14 352446754137
15 3284400373590
16 30749731897370
17 289066731934716
18 2727216210298152
19 25812680778645432
20 245015325044029789
21 2331718909954888809
22 22242097596092999144