n | a(n) |
---|---|
1 | 0 |
2 | 3 |
3 | 7 |
4 | 21 |
5 | 54 |
6 | 144 |
7 | 376 |
8 | 987 |
9 | 2583 |
10 | 6765 |
11 | 17710 |
12 | 46368 |
13 | 121392 |
14 | 317811 |
15 | 832039 |
16 | 2178309 |
17 | 5702886 |
18 | 14930352 |
19 | 39088168 |
20 | 102334155 |
21 | 267914295 |
22 | 701408733 |
23 | 1836311902 |
24 | 4807526976 |
25 | 12586269024 |
26 | 32951280099 |
27 | 86267571271 |
28 | 225851433717 |
29 | 591286729878 |
[0,3,7,21,54,144,376,987,2583,6765,17710,46368, 121392,317811,832039,2178309,5702886,14930352, 39088168,102334155,267914295,701408733,1836311902, 4807526976,12586269024,32951280099,86267571271, 225851433717,591286729878] |