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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”).

A354040 as a simple table

na(n)
00
11
25
317
473
5245
61037
74624
811829
930940
10116701
11374756
121205149
132643792
147516934
1527309591
16102243621

[0,1,5,17,73,245,1037,4624,11829,30940,116701,
 374756,1205149,2643792,7516934,27309591,102243621]