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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”).

A227463 as a simple table

na(n)
11
22
310
480
5876
612192
7206144
84104704
994092112
102440642560
1170676191840
122260198354944
1379113937385536
143008546200346624
15123513154739070976
165444598073252904960
17256489070938397360384
1812859678961654923395072
19683701585124386481758720

[1,2,10,80,876,12192,206144,4104704,94092112,
 2440642560,70676191840,2260198354944,
 79113937385536,3008546200346624,
 123513154739070976,5444598073252904960,
 256489070938397360384,12859678961654923395072,
 683701585124386481758720]