n | a(n) |
---|---|
1 | 4 |
2 | 16 |
3 | 58 |
4 | 216 |
5 | 808 |
6 | 3016 |
7 | 11264 |
8 | 42080 |
9 | 157192 |
10 | 587200 |
11 | 2193552 |
12 | 8194256 |
13 | 30610528 |
14 | 114348992 |
15 | 427163264 |
16 | 1595715392 |
17 | 5960970560 |
18 | 22267862080 |
19 | 83184051328 |
20 | 310743185408 |
21 | 1160815393920 |
22 | 4336353754624 |
23 | 16198927050240 |
24 | 60512876123648 |
[4,16,58,216,808,3016,11264,42080,157192,587200, 2193552,8194256,30610528,114348992,427163264, 1595715392,5960970560,22267862080,83184051328, 310743185408,1160815393920,4336353754624, 16198927050240,60512876123648] |