n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 18 |
3 | 333 |
4 | 6318 |
5 | 122634 |
6 | 2429028 |
7 | 48974949 |
8 | 1002875094 |
9 | 20814628158 |
10 | 437088964860 |
11 | 9272342710962 |
12 | 198456435657036 |
13 | 4280758166952756 |
14 | 92972201833888200 |
15 | 2031520673763657621 |
16 | 44630859892110807654 |
[1,1,18,333,6318,122634,2429028,48974949, 1002875094,20814628158,437088964860,9272342710962, 198456435657036,4280758166952756, 92972201833888200,2031520673763657621, 44630859892110807654] |