n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 24 |
3 | 88 |
4 | 336 |
5 | 1280 |
6 | 4928 |
7 | 19072 |
8 | 74240 |
9 | 290304 |
10 | 1139712 |
11 | 4489216 |
12 | 17731584 |
13 | 70197248 |
14 | 278429696 |
15 | 1106083840 |
16 | 4399628288 |
17 | 17518559232 |
18 | 69815500800 |
19 | 278424715264 |
20 | 1110989340672 |
21 | 4435189170176 |
22 | 17712382214144 |
23 | 70757707153408 |
24 | 282733687341056 |
25 | 1129973180006400 |
[1,6,24,88,336,1280,4928,19072,74240,290304, 1139712,4489216,17731584,70197248,278429696, 1106083840,4399628288,17518559232,69815500800, 278424715264,1110989340672,4435189170176, 17712382214144,70757707153408,282733687341056, 1129973180006400] |