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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”).

A118099 as a simple table

na(n)
11
23
38
424
576
6284
71195
85832
932254
10201417
111400068
1210724115
1389584802
14809190807
157844705449

[1,3,8,24,76,284,1195,5832,32254,201417,1400068,
 10724115,89584802,809190807,7844705449]