# A115053 (b-file synthesized from sequence entry)
0 0
1 9
2 -48
3 208
4 -816
5 3024
6 -10800
7 37584
8 -128304
9 431568
10 -1434672
11 4723920
12 -15431472
13 50073552
14 -161558064
15 518686416
16 -1658095920
17 5280397776
18 -16759523376
19 53033560272
20 -167365651248
21 526891865040
22 -1655060329008
23 5188335188688
24 -16234468171056
25 50711792328144