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A271546 as a simple table

na(n)
04
14
215
3-7
467
5-43
683
7-67
8251
9-243
10311
11-235
12363
13-379
14507
15-483
16771
17-635
18767
19-795
201075
21-1051
221283
23-1231
241595
25-1439
261551
27-1407
281883
29-1899
302007
31-1919
322635
33-2639
342879
35-2563
362855
37-2843
383607
39-3791
404287
41-3967
424235
43-4299
444935

[4,4,15,-7,67,-43,83,-67,251,-243,311,-235,363,
 -379,507,-483,771,-635,767,-795,1075,-1051,1283,
 -1231,1595,-1439,1551,-1407,1883,-1899,2007,-1919,
 2635,-2639,2879,-2563,2855,-2843,3607,-3791,4287,
 -3967,4235,-4299,4935]