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A030654 as a simple table

na(n)
18
2497
39352
481473
5451976
61863793
76230792
817817857
945159688
10103980401
11221416328
12441884737
13834981512
141505831153
152608352776
164361946113
177072141832
1811155800817
1917171487368
2025855681601

[8,497,9352,81473,451976,1863793,6230792,17817857,
 45159688,103980401,221416328,441884737,834981512,
 1505831153,2608352776,4361946113,7072141832,
 11155800817,17171487368,25855681601]