# A111645 (b-file synthesized from sequence entry)
0 -1
1 8
2 -37
3 156
4 -625
5 2436
6 -9341
7 35464
8 -133809
9 502896
10 -1885317
11 7056580
12 -26384961
13 98589388
14 -368228797
15 1374944336
16 -5133041825
17 19160828056
18 -71518973861
19 266936079404
20 -996276071249
21 3718290672596
22 -13877182280637
23 51791152239960
24 -193289149920721