n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 21 |
3 | 119 |
4 | 697 |
5 | 4059 |
6 | 23661 |
7 | 137903 |
8 | 803761 |
9 | 4684659 |
10 | 27304197 |
11 | 159140519 |
12 | 927538921 |
13 | 5406093003 |
14 | 31509019101 |
15 | 183648021599 |
16 | 1070379110497 |
17 | 6238626641379 |
18 | 36361380737781 |
19 | 211929657785303 |
20 | 1235216565974041 |
21 | 7199369738058939 |
22 | 41961001862379597 |
23 | 244566641436218639 |
[1,3,21,119,697,4059,23661,137903,803761,4684659, 27304197,159140519,927538921,5406093003, 31509019101,183648021599,1070379110497, 6238626641379,36361380737781,211929657785303, 1235216565974041,7199369738058939, 41961001862379597,244566641436218639] |