# A165410 (b-file synthesized from sequence entry)
0 1
1 0
2 -4
3 -16
4 0
5 1024
6 16384
7 0
8 -16777216
9 -1073741824
10 0
11 17592186044416
12 4503599627370496
13 0
14 -1180591620717411303424
15 -1208925819614629174706176
16 0
17 5070602400912917605986812821504
18 20769187434139310514121985316880384