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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”).

A212998 as a simple table

na(n)
00
11
21
31
41
51
61
71
81
93
1023
1114
1226
1313
1424
153829
16273
174
186
192225
208
2121
2239
2317

[0,1,1,1,1,1,1,1,1,3,23,14,26,13,24,3829,273,4,6,
 2225,8,21,39,17]