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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”).

A123809 as a simple table

na(n)
11
24
37
434
585
6461
71175
86871
918807
10112406
11318571
121936113
135653062
1434848639
15103771770
16645701202
171955873614

[1,4,7,34,85,461,1175,6871,18807,112406,318571,
 1936113,5653062,34848639,103771770,645701202,
 1955873614]