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”).

A193824 as a simple table

na(n)
01
11
21
33
43
51
69
79
85
91
1027
1127
1219
137
141
1581
1681
1765
1833
199
201
21243
22243
23211
24131
2551
2611
271
28729
29729
30665
31473
32233
3373
3413
351
362187
372187
382059
391611
40939
41379
4299
4315
441
456561
466561
476305
485281
493489
501697
51577
52129
5317
541
5519683
5619683
5719171

[1,1,1,3,3,1,9,9,5,1,27,27,19,7,1,81,81,65,33,9,1,
 243,243,211,131,51,11,1,729,729,665,473,233,73,13,
 1,2187,2187,2059,1611,939,379,99,15,1,6561,6561,
 6305,5281,3489,1697,577,129,17,1,19683,19683,
 19171]