# A123012 (b-file synthesized from sequence entry)
0 1
1 2
2 25
3 92
4 709
5 3350
6 21589
7 113528
8 680425
9 3744938
10 21778801
11 122201300
12 701757421
13 3969742142
14 22676390125
15 128717365232
16 733638923089
17 4170342516050
18 23747102416969
19 135071397670988
20 768831946098325
21 4374163243287398
22 24893797354639621
23 141645022818314600