n | a(n) |
---|---|
0 | 1 |
1 | 16 |
2 | 100 |
3 | 408 |
4 | 1290 |
5 | 3432 |
6 | 8052 |
7 | 17160 |
8 | 33891 |
9 | 62920 |
10 | 110968 |
11 | 187408 |
12 | 304980 |
13 | 480624 |
14 | 736440 |
15 | 1100784 |
16 | 1609509 |
17 | 2307360 |
18 | 3249532 |
19 | 4503400 |
20 | 6150430 |
21 | 8288280 |
22 | 11033100 |
23 | 14522040 |
24 | 18915975 |
[1,16,100,408,1290,3432,8052,17160,33891,62920, 110968,187408,304980,480624,736440,1100784, 1609509,2307360,3249532,4503400,6150430,8288280, 11033100,14522040,18915975] |