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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”).

A010404 as a simple table

na(n)
10
21
34
46
59
610
711
813
914
1015
1116
1217
1321
1423
1524
1625
1731
1835
1936
2038
2140
2241

[0,1,4,6,9,10,11,13,14,15,16,17,21,23,24,25,31,35,
 36,38,40,41]