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A259871 as a simple table

na(n)
11
22
35
414
545
6170
7777
84350
929513
10236530
112179133
1222576206
13258821269
143245286490
1544115311969
16645664173566
1710117122765905
18168922438409826
192993228077070645
2056090022818326542
211108099905463382973
2223015655499699484810
23501356717394207256441

[1,2,5,14,45,170,777,4350,29513,236530,2179133,
 22576206,258821269,3245286490,44115311969,
 645664173566,10117122765905,168922438409826,
 2993228077070645,56090022818326542,
 1108099905463382973,23015655499699484810,
 501356717394207256441]