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A307882 as a simple table

na(n)
1-1
21
33
45
57
69
711
813
915
1025
1129
1231
1339
1445
1561
1663
1775
1881
1985
20111
21123
22131
23151
24175
25207
26225
27241
28267
29301
30329
31335
32427
33435
34505
35539
36565
37611
38617
39665
40695
41739
42805
43843
44875
451113
461143
471465
481797
491801
501959
512065
522369
532783

[-1,1,3,5,7,9,11,13,15,25,29,31,39,45,61,63,75,81,
 85,111,123,131,151,175,207,225,241,267,301,329,
 335,427,435,505,539,565,611,617,665,695,739,805,
 843,875,1113,1143,1465,1797,1801,1959,2065,2369,
 2783]