# A265023 (b-file synthesized from sequence entry)
0 1
1 -1
2 2
3 -4
4 9
5 -22
6 54
7 -139
8 372
9 -948
10 2607
11 -7388
12 16058
13 -58957
14 174854
15 210448
16 4345025
17 -2008714
18 -165872030
19 -1756557123
20 -6144936528
21 60244093040
22 1164910003567
23 8228177887688
24 -10562519450714
25 -967088274083133
26 -11322641425582454
27 -37483806372774364