# A134748 (b-file synthesized from sequence entry)
1 -1
2 -3
3 -6
4 34
5 1065
6 21915
7 458276
8 10381380
9 257910255
10 7023426505
11 208771773342
12 6739114316358
13 235020287563061
14 8812102803936999
15 353674208662429320
16 15133351271499561736
17 687862113868372542939
18 33104027829427142199381