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A161204 as a simple table

na(n)
02
1-1
2-1
31
43
51
63
79
819
933
1067
11137
12275
13545
141091
152185
164371
178737
1817475
1934953
2069907
21139809
22279619
23559241
241118483
252236961
264473923
278947849
2817895699
2935791393
3071582787
31143165577
32286331155
33572662305
341145324611
352290649225
364581298451
379162596897

[2,-1,-1,1,3,1,3,9,19,33,67,137,275,545,1091,2185,
 4371,8737,17475,34953,69907,139809,279619,559241,
 1118483,2236961,4473923,8947849,17895699,35791393,
 71582787,143165577,286331155,572662305,1145324611,
 2290649225,4581298451,9162596897]