n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 6 |
4 | 18 |
5 | 32 |
6 | 84 |
7 | 164 |
8 | 400 |
9 | 824 |
10 | 1928 |
11 | 4096 |
12 | 9360 |
13 | 20240 |
14 | 45632 |
15 | 99680 |
16 | 223008 |
17 | 489984 |
18 | 1091392 |
19 | 2405952 |
20 | 5345536 |
21 | 11806592 |
22 | 26194048 |
23 | 57917440 |
24 | 128389376 |
25 | 284057856 |
26 | 629392384 |
27 | 1393010176 |
28 | 3085685248 |
29 | 6830825472 |
30 | 15128761344 |
[1,1,4,6,18,32,84,164,400,824,1928,4096,9360, 20240,45632,99680,223008,489984,1091392,2405952, 5345536,11806592,26194048,57917440,128389376, 284057856,629392384,1393010176,3085685248, 6830825472,15128761344] |