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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”).

A326488 as a simple table

na(n)
11
22
3160
4285
52340
62614
78903
881231
9171710
10182712
11434887
122651907
1356517068
14143714354
15922484770
165162883263
1739421525873

[1,2,160,285,2340,2614,8903,81231,171710,182712,
 434887,2651907,56517068,143714354,922484770,
 5162883263,39421525873]