# A174289 (b-file synthesized from sequence entry)
0 1
1 -1
2 1
3 -1
4 11
5 -137
6 4157
7 -44879
8 74351
9 -23262859
10 113428851
11 -18122193779
12 593728889477
13 -17199344405209
14 773610521462677
15 -398027397442098469
16 7730820046943979149
17 -6072430937404995879629
18 164713122370768078443379