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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”).

A184254 as a simple table

na(n)
11
21
33
45
519
679
7333
81393
95725
1023408
1194067
12372806
131452902
145573547
1521048926
1678294082
17286989576
181037232520
193698189056
2013015198750
2145236281727
22155352127515
23527417864879
241770921102747

[1,1,3,5,19,79,333,1393,5725,23408,94067,372806,
 1452902,5573547,21048926,78294082,286989576,
 1037232520,3698189056,13015198750,45236281727,
 155352127515,527417864879,1770921102747]