# A291702 (b-file synthesized from sequence entry)
0 1
1 -1
2 1
3 -4
4 13
5 -36
6 100
7 -281
8 797
9 -2281
10 6546
11 -18778
12 53872
13 -154662
14 444263
15 -1276284
16 3665773
17 -10524939
18 30203731
19 -86624174
20 248257298
21 -710882708
22 2033663952
23 -5811660425
24 16588828304
25 -47291077636
26 134630218334
27 -382697080366
28 1086083438999