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A318828 as a simple table

na(n)
10
21
31
43
51
65
71
87
97
109
111
1211
131
1413
1511
1615
171
1817
191
2019
2117
2221
231
2423
2521
2625
2725
2825
291
3029
311
3231
3329
3433
3531
3635
371
3837
3935
4039
411
4241
431
4443
4537
4645
471
4847
4943
5049
5147
5249
531
5453
5551
5655
5753
5857
591
6059
611
6261
6359
6463
6549
6661
671
6867
6965
7067
711
7271
731
7473
7571
7673
7773
7877
791
8079
8179
8281
831
8483
8569
8685
8783
8887
891
9089
9155

[0,1,1,3,1,5,1,7,7,9,1,11,1,13,11,15,1,17,1,19,17,
 21,1,23,21,25,25,25,1,29,1,31,29,33,31,35,1,37,35,
 39,1,41,1,43,37,45,1,47,43,49,47,49,1,53,51,55,53,
 57,1,59,1,61,59,63,49,61,1,67,65,67,1,71,1,73,71,
 73,73,77,1,79,79,81,1,83,69,85,83,87,1,89,55]