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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”).

A365641 as a simple table

na(n)
21
33
47
514
625
741
863
992
10128
11173
12228
13293
14369
15458
16561
17676
18807
19955
201119
211300

[1,3,7,14,25,41,63,92,128,173,228,293,369,458,561,
 676,807,955,1119,1300]