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A249267 as a simple table

na(n)
01
1-1
21
3-13
45
51
675
7-31
8-5
91
10987
11-383
12-77
139
141
15-10565
164177
17803
18-111
19-9
201
21-187397
2273489
2314483
24-1871
25-189
2613
271
282962811
29-1164335
30-228109
3130049
322891
33-239
34-13
351
3667151483
37-26365999
38-5179405
39676961
4066731
41-5167
42-349
4317
441

[1,-1,1,-13,5,1,75,-31,-5,1,987,-383,-77,9,1,
 -10565,4177,803,-111,-9,1,-187397,73489,14483,
 -1871,-189,13,1,2962811,-1164335,-228109,30049,
 2891,-239,-13,1,67151483,-26365999,-5179405,
 676961,66731,-5167,-349,17,1]