n | a(n) |
---|---|
1 | 0 |
2 | 3 |
3 | 16 |
4 | 73 |
5 | 333 |
6 | 1519 |
7 | 6929 |
8 | 31607 |
9 | 144177 |
10 | 657671 |
11 | 3000001 |
12 | 13684663 |
13 | 62423313 |
14 | 284747239 |
15 | 1298889569 |
16 | 5924953367 |
17 | 27026987697 |
18 | 123285031751 |
19 | 562371183361 |
20 | 2565285853303 |
21 | 11701686899793 |
22 | 53377862792359 |
23 | 243485940162209 |
[0,3,16,73,333,1519,6929,31607,144177,657671, 3000001,13684663,62423313,284747239,1298889569, 5924953367,27026987697,123285031751,562371183361, 2565285853303,11701686899793,53377862792359, 243485940162209] |