n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 17 |
4 | 78 |
5 | 360 |
6 | 1835 |
7 | 10168 |
8 | 62271 |
9 | 419701 |
10 | 3107800 |
11 | 25108419 |
12 | 219982357 |
13 | 2076785950 |
14 | 21011123423 |
15 | 226708386212 |
16 | 2598075587529 |
17 | 31509529248585 |
18 | 403155101535686 |
19 | 5426659537490872 |
20 | 76655160760249052 |
21 | 1133766220709242638 |
22 | 17522418780011531368 |
23 | 282452568669871514771 |
24 | 4740645804610572971112 |
[1,4,17,78,360,1835,10168,62271,419701,3107800, 25108419,219982357,2076785950,21011123423, 226708386212,2598075587529,31509529248585, 403155101535686,5426659537490872, 76655160760249052,1133766220709242638, 17522418780011531368,282452568669871514771, 4740645804610572971112] |