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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”).

A331986 as a simple table

na(n)
11
24
38
484
556
6136
752
8216
916
101504
112352
121152
131344
14123216
1582432
1611008
17308992

[1,4,8,84,56,136,52,216,16,1504,2352,1152,1344,
 123216,82432,11008,308992]