n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 19 |
5 | 59 |
6 | 219 |
7 | 774 |
8 | 3145 |
9 | 11859 |
10 | 49307 |
11 | 195291 |
12 | 833909 |
13 | 3407800 |
14 | 14788168 |
15 | 61947528 |
16 | 272400290 |
17 | 1162004530 |
18 | 5161800599 |
19 | 22345394684 |
20 | 100082432241 |
21 | 438344267322 |
22 | 1976663086536 |
23 | 8741628318605 |
24 | 39643441874273 |
25 | 176734752146518 |
26 | 805373891611901 |
27 | 3614987906351808 |
28 | 16541733451593305 |
[1,1,2,5,19,59,219,774,3145,11859,49307,195291, 833909,3407800,14788168,61947528,272400290, 1162004530,5161800599,22345394684,100082432241, 438344267322,1976663086536,8741628318605, 39643441874273,176734752146518,805373891611901, 3614987906351808,16541733451593305] |