Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 3 |
2 | 5 |
3 | 7 |
4 | 11 |
5 | 19 |
6 | 53 |
7 | 59 |
8 | 151 |
9 | 353 |
10 | 557 |
11 | 599 |
12 | 773 |
13 | 997 |
14 | 5557 |
15 | 7559 |
16 | 11119 |
17 | 15559 |
18 | 59999 |
19 | 71777 |
20 | 75553 |
21 | 79999 |
22 | 99991 |
23 | 191999 |
24 | 511111 |
25 | 555557 |
26 | 575557 |
27 | 775777 |
28 | 777977 |
29 | 799979 |
30 | 1111151 |
31 | 3353333 |
32 | 5595559 |
33 | 5755559 |
34 | 7577777 |
35 | 9999991 |
36 | 33335333 |
37 | 55555553 |
38 | 55555559 |
[3,5,7,11,19,53,59,151,353,557,599,773,997,5557, 7559,11119,15559,59999,71777,75553,79999,99991, 191999,511111,555557,575557,775777,777977,799979, 1111151,3353333,5595559,5755559,7577777,9999991, 33335333,55555553,55555559] |