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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”).

A123443 as a simple table

na(n)
11
22
34
411
531
6116
7466
82207
911258
1063098
11379448
122496922
1318441849
14163588975

[1,2,4,11,31,116,466,2207,11258,63098,379448,
 2496922,18441849,163588975]