# A184881 (b-file synthesized from sequence entry)
0 1
1 -3
2 2
3 -3
4 6
5 -14
6 36
7 -99
8 286
9 -858
10 2652
11 -8398
12 27132
13 -89148
14 297160
15 -1002915
16 3421710
17 -11785890
18 40940460
19 -143291610
20 504932340
21 -1790214660
22 6382504440
23 -22870640910
24 82334307276
25 -297670187844
26 1080432533656
27 -3935861372604
28 14386251913656