n | a(n) |
---|---|
0 | 0 |
1 | 3 |
2 | 12 |
3 | 33 |
4 | 72 |
5 | 135 |
6 | 228 |
7 | 357 |
8 | 528 |
9 | 747 |
10 | 1020 |
11 | 1353 |
12 | 1752 |
13 | 2223 |
14 | 2772 |
15 | 3405 |
16 | 4128 |
17 | 4947 |
18 | 5868 |
19 | 6897 |
20 | 8040 |
21 | 9303 |
22 | 10692 |
23 | 12213 |
24 | 13872 |
25 | 15675 |
26 | 17628 |
27 | 19737 |
28 | 22008 |
29 | 24447 |
30 | 27060 |
31 | 29853 |
32 | 32832 |
33 | 36003 |
34 | 39372 |
35 | 42945 |
36 | 46728 |
37 | 50727 |
38 | 54948 |
[0,3,12,33,72,135,228,357,528,747,1020,1353,1752, 2223,2772,3405,4128,4947,5868,6897,8040,9303, 10692,12213,13872,15675,17628,19737,22008,24447, 27060,29853,32832,36003,39372,42945,46728,50727, 54948] |