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A377842 as a simple table

na(n)
2-2
3-3
4-1
51
6-3
75
87
93
1011
1113
129
1317
1413
159
1623
1725
1821
1917
2031
2127
2235
2337
2433
2541
2637
2733
2847
2943
3039
3153
3255
3351
3447
3561
3657
3765
3867
3963
4059
4173
4269
4377
4473
4569
4683
4779
4875
4941
5091
5187
5295
5397
5493
55101
56103
5799
58107
59103
6099
6183
6291
6387
6471
65121
66117
67125
68121
69117
70131
71133

[-2,-3,-1,1,-3,5,7,3,11,13,9,17,13,9,23,25,21,17,
 31,27,35,37,33,41,37,33,47,43,39,53,55,51,47,61,
 57,65,67,63,59,73,69,77,73,69,83,79,75,41,91,87,
 95,97,93,101,103,99,107,103,99,83,91,87,71,121,
 117,125,121,117,131,133]