n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 10 |
3 | 41 |
4 | 116 |
5 | 427 |
6 | 1240 |
7 | 4181 |
8 | 12472 |
9 | 40091 |
10 | 121364 |
11 | 380701 |
12 | 1160186 |
13 | 3593969 |
14 | 10979532 |
15 | 33785469 |
16 | 103258800 |
17 | 316532947 |
18 | 966976444 |
19 | 2957131673 |
20 | 9026437602 |
21 | 27558146133 |
22 | 84043120308 |
23 | 256263107177 |
24 | 780817641926 |
[1,3,10,41,116,427,1240,4181,12472,40091,121364, 380701,1160186,3593969,10979532,33785469, 103258800,316532947,966976444,2957131673, 9026437602,27558146133,84043120308,256263107177, 780817641926] |