Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 4 |
2 | 5 |
3 | 6 |
4 | 7 |
5 | 8 |
6 | 10 |
7 | 12 |
8 | 15 |
9 | 18 |
10 | 27 |
11 | 38 |
12 | 57 |
13 | 86 |
14 | 157 |
15 | 291 |
16 | 678 |
17 | 1557 |
18 | 4406 |
19 | 16332 |
20 | 58515 |
21 | 269028 |
22 | 1976680 |
23 | 16444560 |
24 | 180744025 |
25 | 3078792661 |
26 | 81397457281 |
27 | 4230590813376 |
28 | 348816568612875 |
29 | 68297288451850013 |
30 | 26970387494194667541 |
[4,5,6,7,8,10,12,15,18,27,38,57,86,157,291,678, 1557,4406,16332,58515,269028,1976680,16444560, 180744025,3078792661,81397457281,4230590813376, 348816568612875,68297288451850013, 26970387494194667541] |