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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”).

A300780 as a simple table

na(n)
11
22
39
48
536
650
7241081
8117128
915069924
1023011209
1195887457649
1292943436658
1331623999684484
1431716423048338
1548730521525625
1655647526914529
17202869088076944
18238595412613156
19316982950120225
20238595412613156
2112016309156631329
229203885645879282

[1,2,9,8,36,50,241081,117128,15069924,23011209,
 95887457649,92943436658,31623999684484,
 31716423048338,48730521525625,55647526914529,
 202869088076944,238595412613156,316982950120225,
 238595412613156,12016309156631329,
 9203885645879282]