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A139061 as a simple table

na(n)
14
25
36
413
521
625
732
840
961
1097
11147
12324
13325
14348
15369
161290
171342
183167
196612
208176
2110990

[4,5,6,13,21,25,32,40,61,97,147,324,325,348,369,
 1290,1342,3167,6612,8176,10990]