n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 10 |
3 | 42 |
4 | 199 |
5 | 981 |
6 | 4888 |
7 | 24420 |
8 | 122077 |
9 | 610359 |
10 | 3051766 |
11 | 15258798 |
12 | 76293955 |
13 | 381469737 |
14 | 1907348644 |
15 | 9536743176 |
16 | 47683715833 |
17 | 238418579115 |
18 | 1192092895522 |
19 | 5960464477554 |
20 | 29802322387711 |
21 | 149011611938493 |
22 | 745058059692400 |
23 | 3725290298461932 |
24 | 18626451492309589 |
[1,3,10,42,199,981,4888,24420,122077,610359, 3051766,15258798,76293955,381469737,1907348644, 9536743176,47683715833,238418579115,1192092895522, 5960464477554,29802322387711,149011611938493, 745058059692400,3725290298461932, 18626451492309589] |