n | a(n) |
---|---|
0 | 1 |
1 | 110 |
2 | 3080 |
3 | 40370 |
4 | 322190 |
5 | 1815506 |
6 | 7925720 |
7 | 28512110 |
8 | 88206140 |
9 | 241925530 |
10 | 601585512 |
11 | 1379301990 |
12 | 2953859370 |
13 | 5968878630 |
14 | 11472968760 |
15 | 21114177018 |
16 | 37403270520 |
17 | 64062783510 |
18 | 106481351240 |
19 | 172295622730 |
20 | 272125000774 |
21 | 420487598410 |
[1,110,3080,40370,322190,1815506,7925720,28512110, 88206140,241925530,601585512,1379301990, 2953859370,5968878630,11472968760,21114177018, 37403270520,64062783510,106481351240,172295622730, 272125000774,420487598410] |