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”).

A148509 as a simple table

na(n)
01
11
23
35
417
534
6131
7293
81165
92762
1011375
1128192
12119093
13304914
141305300
153420907
1614869109
1739750810
18174464451
19473667396
202096008385
215764418172
2225703266886
2371476636250
24320474014833
25899436626699
264054199933451
2711471378694323
2851937690556690
29147999856958164
30672617453500070
311928580745609887

[1,1,3,5,17,34,131,293,1165,2762,11375,28192,
 119093,304914,1305300,3420907,14869109,39750810,
 174464451,473667396,2096008385,5764418172,
 25703266886,71476636250,320474014833,899436626699,
 4054199933451,11471378694323,51937690556690,
 147999856958164,672617453500070,1928580745609887]