# A009622 (b-file synthesized from sequence entry)
0 0
1 1
2 2
3 4
4 4
5 -4
6 -42
7 -104
8 8
9 1360
10 5354
11 1024
12 -99956
13 -494272
14 22974
15 13790848
16 72550928
17 -68726528
18 -3076799278
19 -15167771648
20 44239291156
21 993154165760
22 4012843624614
23 -28626523621376
24 -426360266016232
25 -1093475947065344