n | a(n) |
---|---|
9 | 1 |
10 | 9 |
11 | 45 |
12 | 156 |
13 | 423 |
14 | 954 |
15 | 1878 |
16 | 3321 |
17 | 5409 |
18 | 8251 |
19 | 11979 |
20 | 16686 |
21 | 22446 |
22 | 29250 |
23 | 37134 |
24 | 46107 |
25 | 56259 |
26 | 67671 |
27 | 80407 |
28 | 94338 |
29 | 109269 |
30 | 125118 |
31 | 141930 |
32 | 159723 |
33 | 178608 |
34 | 198522 |
35 | 219510 |
36 | 241338 |
37 | 264438 |
38 | 288810 |
39 | 314550 |
40 | 341010 |
41 | 367785 |
42 | 394596 |
43 | 421443 |
44 | 448650 |
45 | 476614 |
46 | 505404 |
47 | 534978 |
[1,9,45,156,423,954,1878,3321,5409,8251,11979, 16686,22446,29250,37134,46107,56259,67671,80407, 94338,109269,125118,141930,159723,178608,198522, 219510,241338,264438,288810,314550,341010,367785, 394596,421443,448650,476614,505404,534978] |