# A091103 (b-file synthesized from sequence entry)
0 1
1 -3
2 21
3 -27
4 189
5 -243
6 1701
7 -2187
8 15309
9 -19683
10 137781
11 -177147
12 1240029
13 -1594323
14 11160261
15 -14348907
16 100442349
17 -129140163
18 903981141
19 -1162261467
20 8135830269
21 -10460353203
22 73222472421
23 -94143178827
24 659002251789
25 -847288609443