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A227523 as a simple table

na(n)
131
2-185
3-269
4-743
5-857
6-1193
7-1637
81711
91945
102371
11-2417
122713
132917
143121
153667
164567
17-4787
18-6317
196451
206985
217981
228923
239013
249853
25-10109
2611365
2711521
28-12449
2912757
3013063
31-13343
3213387
33-14003
34-14093
35-14855
3615103
3715247
38-15605
3916483
40-16577
4117371
4217527
43-17783
44-18119
45-18413
46-18455
47-18563
4818703
4918763
50-18995
5119165
5219555

[31,-185,-269,-743,-857,-1193,-1637,1711,1945,
 2371,-2417,2713,2917,3121,3667,4567,-4787,-6317,
 6451,6985,7981,8923,9013,9853,-10109,11365,11521,
 -12449,12757,13063,-13343,13387,-14003,-14093,
 -14855,15103,15247,-15605,16483,-16577,17371,
 17527,-17783,-18119,-18413,-18455,-18563,18703,
 18763,-18995,19165,19555]