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”).

A181606 as a simple table

na(n)
119
229
359
4109
5139
6149
7179
8199
9229
10239
11269
12349
13419
14569
15599
16619
17659
18809
19829
20859
211019
221049
231229
241279
251289
261319
271429
281489
291609
301619
311669
321699
331789
341879
351949
361999
372029
382089
392129
402239
412269
422309
432339
442549
452659
462689

[19,29,59,109,139,149,179,199,229,239,269,349,419,
 569,599,619,659,809,829,859,1019,1049,1229,1279,
 1289,1319,1429,1489,1609,1619,1669,1699,1789,1879,
 1949,1999,2029,2089,2129,2239,2269,2309,2339,2549,
 2659,2689]