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A270791 as a simple table

na(n)
11
21
31
4158
5558
6135
72339
818378
913689
101575
111354
1218908
1328764
149660
15675
16617926
1713447818
1834604118
1923001156
204534875
21218295
22525206428
2316383145284
2463886133214
2570424606988
2626926791930
273567422250
28127702575
2950531787
302134308548
3111735772822
3219350632598
3312106771137
343063221550
35295973325
368292375

[1,1,1,158,558,135,2339,18378,13689,1575,1354,
 18908,28764,9660,675,617926,13447818,34604118,
 23001156,4534875,218295,525206428,16383145284,
 63886133214,70424606988,26926791930,3567422250,
 127702575,50531787,2134308548,11735772822,
 19350632598,12106771137,3063221550,295973325,
 8292375]