n | a(n) |
---|---|
1 | 3 |
2 | 23 |
3 | 165 |
4 | 1218 |
5 | 9247 |
6 | 71688 |
7 | 564759 |
8 | 4506005 |
9 | 36324407 |
10 | 295341956 |
11 | 2418783687 |
12 | 19932773439 |
13 | 165151576215 |
14 | 1374850036253 |
15 | 11493442158373 |
16 | 96443092570534 |
17 | 811995039077311 |
18 | 6857352935798972 |
19 | 58071096513853991 |
20 | 493014496906492215 |
21 | 4195315394988567303 |
[3,23,165,1218,9247,71688,564759,4506005,36324407, 295341956,2418783687,19932773439,165151576215, 1374850036253,11493442158373,96443092570534, 811995039077311,6857352935798972, 58071096513853991,493014496906492215, 4195315394988567303] |