n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 9 |
3 | 21 |
4 | 48 |
5 | 99 |
6 | 198 |
7 | 375 |
8 | 693 |
9 | 1236 |
10 | 2160 |
11 | 3681 |
12 | 6168 |
13 | 10140 |
14 | 16434 |
15 | 26235 |
16 | 41376 |
17 | 64449 |
18 | 99342 |
19 | 151530 |
20 | 229032 |
21 | 343068 |
22 | 509760 |
23 | 751509 |
24 | 1099998 |
25 | 1598925 |
26 | 2309274 |
27 | 3314541 |
28 | 4729920 |
29 | 6711993 |
30 | 9474624 |
31 | 13306506 |
32 | 18598437 |
33 | 25874460 |
34 | 35838288 |
35 | 49427640 |
36 | 67892592 |
[1,3,9,21,48,99,198,375,693,1236,2160,3681,6168, 10140,16434,26235,41376,64449,99342,151530,229032, 343068,509760,751509,1099998,1598925,2309274, 3314541,4729920,6711993,9474624,13306506,18598437, 25874460,35838288,49427640,67892592] |