n | a(n) |
---|---|
1 | 3 |
2 | 16 |
3 | 50 |
4 | 145 |
5 | 407 |
6 | 1177 |
7 | 3508 |
8 | 10677 |
9 | 32967 |
10 | 102719 |
11 | 321798 |
12 | 1011538 |
13 | 3186390 |
14 | 10050746 |
15 | 31730137 |
16 | 100228044 |
17 | 316713624 |
18 | 1001037551 |
19 | 3164497350 |
20 | 10004755379 |
21 | 31632975601 |
22 | 100021893197 |
23 | 316274794667 |
24 | 1000101078155 |
[3,16,50,145,407,1177,3508,10677,32967,102719, 321798,1011538,3186390,10050746,31730137, 100228044,316713624,1001037551,3164497350, 10004755379,31632975601,100021893197,316274794667, 1000101078155] |