n | a(n) |
---|---|
0 | 4 |
1 | 17 |
2 | 69 |
3 | 277 |
4 | 1109 |
5 | 4437 |
6 | 17749 |
7 | 70997 |
8 | 283989 |
9 | 1135957 |
10 | 4543829 |
11 | 18175317 |
12 | 72701269 |
13 | 290805077 |
14 | 1163220309 |
15 | 4652881237 |
16 | 18611524949 |
17 | 74446099797 |
18 | 297784399189 |
19 | 1191137596757 |
20 | 4764550387029 |
21 | 19058201548117 |
22 | 76232806192469 |
23 | 304931224769877 |
24 | 1219724899079509 |
[4,17,69,277,1109,4437,17749,70997,283989,1135957, 4543829,18175317,72701269,290805077,1163220309, 4652881237,18611524949,74446099797,297784399189, 1191137596757,4764550387029,19058201548117, 76232806192469,304931224769877,1219724899079509] |