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A141530 as a simple table

na(n)
01
1-1
29
355
4161
5351
6649
71079
81665
92431
103401
114599
126049
137775
149801
1512151
1614849
1717919
1821385
1925271
2029601
2134399
2239689
2345495
2451841
2558751
2666249
2774359
2883105
2992511
30102601
31113399
32124929
33137215
34150281
35164151
36178849
37194399
38210825
39228151

[1,-1,9,55,161,351,649,1079,1665,2431,3401,4599,
 6049,7775,9801,12151,14849,17919,21385,25271,
 29601,34399,39689,45495,51841,58751,66249,74359,
 83105,92511,102601,113399,124929,137215,150281,
 164151,178849,194399,210825,228151]