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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”).

A035057 as a simple table

na(n)
11
22
33
45
56
68
711
812
915
1016
1119
1223
1325
1428
1532
1633
1735
1838
1943
2052
2156
2259
2363
2466
2573
2691

[1,2,3,5,6,8,11,12,15,16,19,23,25,28,32,33,35,38,
 43,52,56,59,63,66,73,91]