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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”).

A069968 as a simple table

na(n)
22
33
44
55
68
77
815
914
1021
1111
1235
1313
1433
1526
1655
1717
1865
1919
2051
2138
2253
2323
2495
2546
2669

[2,3,4,5,8,7,15,14,21,11,35,13,33,26,55,17,65,19,
 51,38,53,23,95,46,69]