n | a(n) |
---|---|
4 | 1 |
5 | 4 |
6 | 11 |
7 | 29 |
8 | 76 |
9 | 196 |
10 | 487 |
11 | 1148 |
12 | 2552 |
13 | 5353 |
14 | 10636 |
15 | 20120 |
16 | 36425 |
17 | 63415 |
18 | 106630 |
19 | 173821 |
20 | 275603 |
21 | 426242 |
22 | 644593 |
23 | 955207 |
24 | 1389626 |
25 | 1987886 |
26 | 2800249 |
27 | 3889186 |
28 | 5331634 |
29 | 7221551 |
30 | 9672794 |
31 | 12822346 |
32 | 16833919 |
33 | 21901961 |
34 | 28256096 |
[1,4,11,29,76,196,487,1148,2552,5353,10636,20120, 36425,63415,106630,173821,275603,426242,644593, 955207,1389626,1987886,2800249,3889186,5331634, 7221551,9672794,12822346,16833919,21901961, 28256096] |