n | a(n) |
---|---|
1 | 5 |
2 | 19 |
3 | 67 |
4 | 191 |
5 | 541 |
6 | 1487 |
7 | 4079 |
8 | 11173 |
9 | 30559 |
10 | 83137 |
11 | 226427 |
12 | 615919 |
13 | 1675771 |
14 | 4556771 |
15 | 12387481 |
16 | 33677717 |
17 | 91558231 |
18 | 248887319 |
19 | 676566619 |
20 | 1839125531 |
21 | 4999337929 |
22 | 13589640521 |
23 | 36940536917 |
24 | 100415101481 |
25 | 272957090657 |
26 | 741974865617 |
27 | 2016896970001 |
[5,19,67,191,541,1487,4079,11173,30559,83137, 226427,615919,1675771,4556771,12387481,33677717, 91558231,248887319,676566619,1839125531, 4999337929,13589640521,36940536917,100415101481, 272957090657,741974865617,2016896970001] |