# A030131 (b-file synthesized from sequence entry)
0 1
1 -1
2 -4
3 -16
4 -73
5 -341
6 -1659
7 -8483
8 -44144
9 -236626
10 -1282073
11 -7078309
12 -39389088
13 -221480060
14 -1259127130
15 -7134579098
16 -41630476786
17 -232579012470
18 -1437468607632
19 -7355318282652
20 -54666868678671