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A076293 as a simple table

na(n)
01
17
217
323
449
5103
6137
7287
8601
9799
101673
113503
124657
139751
1420417
1527143
1656833
17118999
18158201
19331247
20693577
21922063
221930649
234042463
245374177
2511252647
2623561201
2731322999
2865585233
29137324743
30182563817
31382258751
32800387257
331064059903

[1,7,17,23,49,103,137,287,601,799,1673,3503,4657,
 9751,20417,27143,56833,118999,158201,331247,
 693577,922063,1930649,4042463,5374177,11252647,
 23561201,31322999,65585233,137324743,182563817,
 382258751,800387257,1064059903]