n | a(n) |
---|---|
0 | 1 |
1 | 7 |
2 | 27 |
3 | 105 |
4 | 310 |
5 | 806 |
6 | 1970 |
7 | 4234 |
8 | 8755 |
9 | 16652 |
10 | 30224 |
11 | 52466 |
12 | 85594 |
13 | 137723 |
14 | 206033 |
15 | 309999 |
16 | 430890 |
17 | 610219 |
18 | 795737 |
19 | 1066153 |
20 | 1311798 |
21 | 1671253 |
22 | 1946718 |
23 | 2369655 |
24 | 2615436 |
25 | 3057147 |
26 | 3194751 |
27 | 3603847 |
28 | 3556844 |
29 | 3892590 |
30 | 3614528 |
[1,7,27,105,310,806,1970,4234,8755,16652,30224, 52466,85594,137723,206033,309999,430890,610219, 795737,1066153,1311798,1671253,1946718,2369655, 2615436,3057147,3194751,3603847,3556844,3892590, 3614528] |