n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 7 |
3 | 23 |
4 | 84 |
5 | 320 |
6 | 1262 |
7 | 5114 |
8 | 21083 |
9 | 88154 |
10 | 372868 |
11 | 1593621 |
12 | 6871015 |
13 | 29853188 |
14 | 130548316 |
15 | 574102027 |
16 | 2537245436 |
17 | 11263169847 |
18 | 50200245088 |
19 | 224556548825 |
20 | 1007809545113 |
21 | 4536610177289 |
22 | 20477454773837 |
23 | 92665005959394 |
24 | 420308185091775 |
25 | 1910551100747084 |
26 | 8702049387822175 |
27 | 39709772506902787 |
[1,2,7,23,84,320,1262,5114,21083,88154,372868, 1593621,6871015,29853188,130548316,574102027, 2537245436,11263169847,50200245088,224556548825, 1007809545113,4536610177289,20477454773837, 92665005959394,420308185091775,1910551100747084, 8702049387822175,39709772506902787] |