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A322939 as a simple table

na(n)
01
11
21
39
425
581
6273
7889
82921
99601
1031521
11103529
12340025
131116721
143667633
1512045529
1639560841
17129928801
18426722241
191401474249
204602830425
2115116972561
2249648333393
23163058906169
24535530702761
251758831457601
265776490648161
2718971598480169
2862307994735225

[1,1,1,9,25,81,273,889,2921,9601,31521,103529,
 340025,1116721,3667633,12045529,39560841,
 129928801,426722241,1401474249,4602830425,
 15116972561,49648333393,163058906169,535530702761,
 1758831457601,5776490648161,18971598480169,
 62307994735225]