# A134185 (b-file synthesized from sequence entry)
0 1
1 2
2 0
3 -8
4 -32
5 -256
6 0
7 16384
8 262144
9 8388608
10 0
11 -8589934592
12 -549755813888
13 -70368744177664
14 0
15 1152921504606846976
16 295147905179352825856
17 151115727451828646838272
18 0
19 -39614081257132168796771975168