n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 6 |
4 | 17 |
5 | 49 |
6 | 170 |
7 | 567 |
8 | 1938 |
9 | 7048 |
10 | 25692 |
11 | 94221 |
12 | 355939 |
13 | 1358403 |
14 | 5196687 |
15 | 20169943 |
16 | 79178940 |
17 | 311341768 |
18 | 1233884011 |
19 | 4934811327 |
20 | 19786170788 |
21 | 79683695476 |
22 | 323069731308 |
23 | 1313959977470 |
24 | 5358853327284 |
25 | 21960167792626 |
26 | 90282256030304 |
27 | 371942734756058 |
28 | 1537483777024417 |
29 | 6374355298767209 |
[1,1,2,6,17,49,170,567,1938,7048,25692,94221, 355939,1358403,5196687,20169943,79178940, 311341768,1233884011,4934811327,19786170788, 79683695476,323069731308,1313959977470, 5358853327284,21960167792626,90282256030304, 371942734756058,1537483777024417,6374355298767209] |