# A012783 (b-file synthesized from sequence entry)
0 1
1 3
2 5
3 -889
4 -82167
5 -7869301
6 -906141171
7 -128450716913
8 -22562588189167
9 -4955964959446253
10 -1381444138161821675
11 -495014642393801914473
12 -227710892670360844819175
13 -131704509800404485504904293