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A201803 as a simple table

na(n)
11
25
35
419
585
619
785
8455
9455
1085
11381
123617
134057
143617
15381
161751
1728625
1848335
1948335
2028625
211751
228135
23235827
24562961
25988589
26562961
27235827
288135
2938165
301972115
317099021
3220960485
3320960485
347099021
351972115
3638165
37180325
3816703881

[1,5,5,19,85,19,85,455,455,85,381,3617,4057,3617,
 381,1751,28625,48335,48335,28625,1751,8135,235827,
 562961,988589,562961,235827,8135,38165,1972115,
 7099021,20960485,20960485,7099021,1972115,38165,
 180325,16703881]