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A015264 as a simple table

na(n)
21
3133
419285
52775445
6399683221
757554154133
88287800951445
91193443303932565
10171855836163195541
1124747240402737283733
123563602618051323347605
13513158776998704708174485
1473894863887821708223693461

[1,133,19285,2775445,399683221,57554154133,
 8287800951445,1193443303932565,171855836163195541,
 24747240402737283733,3563602618051323347605,
 513158776998704708174485,
 73894863887821708223693461]