n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 2 |
4 | 7 |
5 | 18 |
6 | 55 |
7 | 69 |
8 | 87 |
9 | 119 |
10 | 141 |
11 | 189 |
12 | 249 |
13 | 354 |
14 | 1586 |
15 | 2135 |
16 | 2865 |
17 | 2930 |
18 | 4214 |
19 | 7167 |
20 | 67485 |
21 | 74402 |
22 | 79326 |
23 | 231349 |
[0,1,2,7,18,55,69,87,119,141,189,249,354,1586, 2135,2865,2930,4214,7167,67485,74402,79326,231349] |