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A027032 as a simple table

na(n)
41
51
65
717
857
9193
10649
112161
127113
1323137
1474417
15236913
16747401
172339137
187270189
1922460801
2069031105
21211206529
22643684485
231955082321
245920720729
2517884040961
2653898818389
27162120056257
28486791503521
291459448379329

[1,1,5,17,57,193,649,2161,7113,23137,74417,236913,
 747401,2339137,7270189,22460801,69031105,
 211206529,643684485,1955082321,5920720729,
 17884040961,53898818389,162120056257,486791503521,
 1459448379329]