# A144168 (b-file synthesized from sequence entry)
0 0
1 0
2 0
3 0
4 2
5 -6
6 20
7 -80
8 360
9 -1793
10 9822
11 -58779
12 381393
13 -2666630
14 19984218
15 -159791481
16 1357763223
17 -12217090921
18 116044807396
19 -1160331221321
20 12182660845677
21 -134003283550602
22 1540991901127780
23 -18491536121716991