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A226927 as a simple table

na(n)
19
2-15
3-95
4109
5-243
6-297
7297
8457
9459
10-477
11583
12723
13-761
14-771
15-983
161045
171047
181077
191287
201305
21-1373
221389
23-1481
24-2063
25-2073
262085
272173
28-2223
292263
30-2367
312503
32-2591
33-2615
34-2643
352643
362755
37-2955
38-2957
392995
403105
41-3153
423153
433237
443243
45-3267
46-3491
473667
483699
493847
503919
51-4023
52-4217
534255
54-4275
554377
564483
574549
584743
594827
604855
61-4973

[9,-15,-95,109,-243,-297,297,457,459,-477,583,723,
 -761,-771,-983,1045,1047,1077,1287,1305,-1373,
 1389,-1481,-2063,-2073,2085,2173,-2223,2263,-2367,
 2503,-2591,-2615,-2643,2643,2755,-2955,-2957,2995,
 3105,-3153,3153,3237,3243,-3267,-3491,3667,3699,
 3847,3919,-4023,-4217,4255,-4275,4377,4483,4549,
 4743,4827,4855,-4973]