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A027152 as a simple table

na(n)
01
11
25
37
421
531
6123
7209
8601
9971
103647
116589
1218565
1331375
14114203
15213073
16593073
171030675
183674615
196997477
2019315165
2134221463
22120206611
23232218425
24637066249
251144951835
263976689519
277765255757
2821202165941
2938528688671

[1,1,5,7,21,31,123,209,601,971,3647,6589,18565,
 31375,114203,213073,593073,1030675,3674615,
 6997477,19315165,34221463,120206611,232218425,
 637066249,1144951835,3976689519,7765255757,
 21202165941,38528688671]