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A203085 as a simple table

na(n)
1253
2787
32237
46615
519723
657699
7169561
8500813
91473813
104336509
1112776787
1237624405
13110768047
14326202095
15960592477
162828495527
178329036847
1824526561909
1972221962493
20212669436487
21626242809531
221844074518231

[253,787,2237,6615,19723,57699,169561,500813,
 1473813,4336509,12776787,37624405,110768047,
 326202095,960592477,2828495527,8329036847,
 24526561909,72221962493,212669436487,626242809531,
 1844074518231]