n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 30 |
3 | 146 |
4 | 511 |
5 | 1491 |
6 | 3976 |
7 | 9752 |
8 | 21942 |
9 | 46126 |
10 | 92252 |
11 | 176484 |
12 | 323554 |
13 | 571802 |
14 | 980232 |
15 | 1634776 |
16 | 2656511 |
17 | 4217499 |
18 | 6560554 |
19 | 10016006 |
20 | 15024009 |
21 | 22174581 |
22 | 32253936 |
23 | 46282704 |
24 | 65567164 |
25 | 91786604 |
26 | 127089144 |
27 | 174169352 |
28 | 236372692 |
29 | 317866884 |
30 | 423822512 |
[1,5,30,146,511,1491,3976,9752,21942,46126,92252, 176484,323554,571802,980232,1634776,2656511, 4217499,6560554,10016006,15024009,22174581, 32253936,46282704,65567164,91786604,127089144, 174169352,236372692,317866884,423822512] |