n | a(n) |
---|---|
1 | 1 |
2 | 5 |
3 | 19 |
4 | 69 |
5 | 250 |
6 | 907 |
7 | 3292 |
8 | 11949 |
9 | 43371 |
10 | 157422 |
11 | 571388 |
12 | 2073943 |
13 | 7527704 |
14 | 27322992 |
15 | 99173120 |
16 | 359964521 |
17 | 1306548149 |
18 | 4742323107 |
19 | 17213011605 |
20 | 62477347458 |
21 | 226771411939 |
22 | 823102698260 |
23 | 2987581397893 |
24 | 10843899100203 |
[1,5,19,69,250,907,3292,11949,43371,157422,571388, 2073943,7527704,27322992,99173120,359964521, 1306548149,4742323107,17213011605,62477347458, 226771411939,823102698260,2987581397893, 10843899100203] |