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Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A115900 as a simple table

na(n)
11
22
33
44
55
6219
7322
8375
922248
1032065
1147827
121406744
132144055
142991368
153626587
164909369
17172133971
18177457001
19328030055
203128669654
218345867631
2219649249526
2345179367929
2447228405729
2548534773039
2649583585599
272127577449846
282191781701563
293972961263797

[1,2,3,4,5,219,322,375,22248,32065,47827,1406744,
 2144055,2991368,3626587,4909369,172133971,
 177457001,328030055,3128669654,8345867631,
 19649249526,45179367929,47228405729,48534773039,
 49583585599,2127577449846,2191781701563,
 3972961263797]