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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”).

A214804 as a simple table

na(n)
00
111660
2375552
36652366
486303920
5918342738

[0,11660,375552,6652366,86303920,918342738]