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A368350 as a simple table

na(n)
10
2-1
31
47
53
627
743
875
9139
1011
11779
12267
131291
143339
157435
1632011
1748395
1881163
19146699
20277771
2115627
221588491
232637067
24539915
254734219
2613122827
2763454475
2829900043
29231226635
3097008907
31902315275
32365444363
331439186187
343586669835
357881637131

[0,-1,1,7,3,27,43,75,139,11,779,267,1291,3339,
 7435,32011,48395,81163,146699,277771,15627,
 1588491,2637067,539915,4734219,13122827,63454475,
 29900043,231226635,97008907,902315275,365444363,
 1439186187,3586669835,7881637131]