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”).

A280019 as a simple table

na(n)
11
22
33
45
510
623
729
856
968
10199
11364
12436
13478
141178
151187
161869
174733
1811816
1911867
2017383
2127987
2242005
2351889
24111770
25113176
26168541

[1,2,3,5,10,23,29,56,68,199,364,436,478,1178,1187,
 1869,4733,11816,11867,17383,27987,42005,51889,
 111770,113176,168541]