# A261976 (b-file synthesized from sequence entry)
0 1
1 8
2 16
3 -32
4 -96
5 368
6 960
7 -3392
8 -8896
9 31528
10 82656
11 -292704
12 -767616
13 2719024
14 7130496
15 -25257408
16 -66235776
17 234616720
18 615265872
19 -2179359392
20 -5715218752
21 20244124928
22 53088812352
23 -188048196544
24 -493143336192
25 1746784492472
26 4580821023328
27 -16225925666624