n | a(n) |
---|---|
1 | 13 |
2 | 49 |
3 | 53 |
4 | 140 |
5 | 320 |
6 | 651 |
7 | 1321 |
8 | 2673 |
9 | 5293 |
10 | 10668 |
11 | 21704 |
12 | 43407 |
13 | 86685 |
14 | 174463 |
15 | 350613 |
16 | 704014 |
17 | 1416102 |
18 | 2846067 |
19 | 5718303 |
20 | 11503925 |
21 | 23146779 |
22 | 46553188 |
23 | 93651586 |
24 | 188449221 |
25 | 379193323 |
26 | 763054735 |
27 | 1535660833 |
28 | 3090522976 |
29 | 6219809542 |
[13,49,53,140,320,651,1321,2673,5293,10668,21704, 43407,86685,174463,350613,704014,1416102,2846067, 5718303,11503925,23146779,46553188,93651586, 188449221,379193323,763054735,1535660833, 3090522976,6219809542] |