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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”).

A147389 as a simple table

na(n)
11
21
31
41
51
61
71
81
92
101
114
121
136
141
1513
163
1736
189
19103
2020
21390
2257
231676
24190
257624
26629

[1,1,1,1,1,1,1,1,2,1,4,1,6,1,13,3,36,9,103,20,390,
 57,1676,190,7624,629]