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”).

A176509 as a simple table

na(n)
18
227
3125
4128
5343
61331
72187
82197
94913
106859
1112167
1224389
1329791
1432768
1550653
1668921
1778125
1879507
19103823
20148877
21205379
22226981
23300763
24357911
25389017
26493039
27571787
28704969
29823543
30912673
311030301
321092727
331225043
341295029
351442897
362048383
372248091

[8,27,125,128,343,1331,2187,2197,4913,6859,12167,
 24389,29791,32768,50653,68921,78125,79507,103823,
 148877,205379,226981,300763,357911,389017,493039,
 571787,704969,823543,912673,1030301,1092727,
 1225043,1295029,1442897,2048383,2248091]