login

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”).

A174542 as a simple table

na(n)
11
22
35
410
523
644
799
8188
9421
10798
111785
123382
137563
1414328
1532039
1660696
17135721
18257114
19574925
201089154
212435423
224613732
2310316619
2419544084
2543701901
2682790070
27185124225
28350704366
29784198803
301485607536
313321919439
326293134512
3314071876561

[1,2,5,10,23,44,99,188,421,798,1785,3382,7563,
 14328,32039,60696,135721,257114,574925,1089154,
 2435423,4613732,10316619,19544084,43701901,
 82790070,185124225,350704366,784198803,1485607536,
 3321919439,6293134512,14071876561]