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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”).

A089320 as a simple table

na(n)
11
212
321
412
5215
65124
742154
8451248
98421543
1034512480
1184215439
1293451248
13842154391
141934512482
15284215439115
1651193451248224
17422842154391154
184511934512482248
19842284215439115425
205245119345124822480

[1,12,21,12,215,5124,42154,451248,8421543,
 34512480,84215439,93451248,842154391,1934512482,
 284215439115,51193451248224,422842154391154,
 4511934512482248,842284215439115425,
 5245119345124822480]