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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”).

A123441 as a simple table

na(n)
11
22
34
411
527
678
7218
8653
91963
106088
1119078
1260825
13195757
14636810
152087764
166896119

[1,2,4,11,27,78,218,653,1963,6088,19078,60825,
 195757,636810,2087764,6896119]