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A120733 as a simple table

na(n)
01
11
25
333
4281
52961
637277
7546193
89132865
9171634161
103581539973
1182171451025
122055919433081
1355710251353953
141625385528173693
1550800411296363617
161693351638586070209
1759966271207156833313
182248276994650395873861
1988969158875611127548481

[1,1,5,33,281,2961,37277,546193,9132865,171634161,
 3581539973,82171451025,2055919433081,
 55710251353953,1625385528173693,50800411296363617,
 1693351638586070209,59966271207156833313,
 2248276994650395873861,88969158875611127548481]