n | a(n) |
---|---|
1 | 1 |
2 | 6 |
3 | 38 |
4 | 231 |
5 | 1387 |
6 | 8322 |
7 | 49934 |
8 | 299607 |
9 | 1797643 |
10 | 10785858 |
11 | 64715150 |
12 | 388290903 |
13 | 2329745419 |
14 | 13978472514 |
15 | 83870835086 |
16 | 503225010519 |
17 | 3019350063115 |
18 | 18116100378690 |
19 | 108696602272142 |
20 | 652179613632855 |
21 | 3913077681797131 |
[1,6,38,231,1387,8322,49934,299607,1797643, 10785858,64715150,388290903,2329745419, 13978472514,83870835086,503225010519, 3019350063115,18116100378690,108696602272142, 652179613632855,3913077681797131] |