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”).

A040867 as a simple table

na(n)
029
11
218
31
458
51
618
71
858
91
1018
111
1258
131
1418
151
1658
171
1818
191
2058
211
2218
231
2458
251
2618
271
2858
291
3018
311
3258
331
3418
351
3658
371
3818
391
4058
411
4218
431
4458
451
4618
471
4858
491
5018
511
5258
531
5418
551
5658
571
5818
591
6058
611
6218
631
6458
651
6618
671
6858
691
7018
711
7258
731
7418

[29,1,18,1,58,1,18,1,58,1,18,1,58,1,18,1,58,1,18,
 1,58,1,18,1,58,1,18,1,58,1,18,1,58,1,18,1,58,1,18,
 1,58,1,18,1,58,1,18,1,58,1,18,1,58,1,18,1,58,1,18,
 1,58,1,18,1,58,1,18,1,58,1,18,1,58,1,18]