# A131611 (b-file synthesized from sequence entry)
0 0
1 0
2 0
3 -15
4 5
5 18
6 66
7 298
8 1511
9 8670
10 55168
11 386394
12 2951673
13 24428654
14 217723390
15 2079109386
16 21177620171
17 229195610430
18 2626388037372
19 31768201320634
20 404485298533085
21 5407570127090958
22 75736453324821754
23 1108952444876609898
24 16943545270848408495