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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”).

A306600 as a simple table

na(n)
00
11
22
33
46
514
617
719
821
922
1023
1129
1230
1336
1446
1559
1660
1764
1867
1994
2095
2197
22120
23122
24133
25164

[0,1,2,3,6,14,17,19,21,22,23,29,30,36,46,59,60,64,
 67,94,95,97,120,122,133,164]