# A295834 (b-file synthesized from sequence entry)
0 1
1 1
2 -1
3 -1
4 11
5 19
6 -311
7 -1919
8 20201
9 154169
10 -1363249
11 -14236289
12 140759299
13 1213688059
14 -33239720359
15 -257577468511
16 11707385639249
17 119005356808561
18 -3416942071608929
19 -43117983466829441
20 893917358612502011
21 13133282766425234531
22 -411010168576899605911
23 -7970128344774479644991