# A295833 (b-file synthesized from sequence entry)
0 1
1 -1
2 3
3 -11
4 47
5 -279
6 2089
7 -16057
8 137409
9 -1417553
10 15656651
11 -187422531
12 2501688463
13 -34832785831
14 529520417217
15 -8723102543009
16 146573712239489
17 -2670058109819937
18 52017332039568019
19 -1041334898093864443
20 22335551258991482991
21 -502509800119879530551
22 11641825391540821682393