n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 8 |
4 | 20 |
5 | 43 |
6 | 98 |
7 | 212 |
8 | 465 |
9 | 1000 |
10 | 2144 |
11 | 4497 |
12 | 9504 |
13 | 19872 |
14 | 41455 |
15 | 85356 |
16 | 178630 |
17 | 363467 |
18 | 757085 |
19 | 1541998 |
20 | 3183600 |
21 | 6515066 |
22 | 13357593 |
23 | 27432649 |
24 | 55914902 |
25 | 114683858 |
26 | 233517515 |
27 | 478061719 |
28 | 972479046 |
29 | 1986013932 |
[1,3,8,20,43,98,212,465,1000,2144,4497,9504,19872, 41455,85356,178630,363467,757085,1541998,3183600, 6515066,13357593,27432649,55914902,114683858, 233517515,478061719,972479046,1986013932] |