# A207320 (b-file synthesized from sequence entry)
0 0
1 0
2 -2
3 38
4 -466
5 5070
6 -51230
7 495394
8 -4647646
9 42658722
10 -385096770
11 3431429230
12 -30256897090
13 264500216510
14 -2295570216930
15 19801160761630
16 -169902404575970
17 1451166299240222
18 -12344920792691958
19 104644181977065306
20 -884232602452034390
21 7450498211688604010
22 -62617113713498946622
23 525042133132770041538