n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 30 |
3 | 114 |
4 | 280 |
5 | 555 |
6 | 966 |
7 | 1540 |
8 | 2304 |
9 | 3285 |
10 | 4510 |
11 | 6006 |
12 | 7800 |
13 | 9919 |
14 | 12390 |
15 | 15240 |
16 | 18496 |
17 | 22185 |
18 | 26334 |
19 | 30970 |
20 | 36120 |
21 | 41811 |
22 | 48070 |
23 | 54924 |
24 | 62400 |
25 | 70525 |
26 | 79326 |
27 | 88830 |
28 | 99064 |
29 | 110055 |
30 | 121830 |
31 | 134416 |
32 | 147840 |
33 | 162129 |
34 | 177310 |
35 | 193410 |
36 | 210456 |
37 | 228475 |
38 | 247494 |
[0,1,30,114,280,555,966,1540,2304,3285,4510,6006, 7800,9919,12390,15240,18496,22185,26334,30970, 36120,41811,48070,54924,62400,70525,79326,88830, 99064,110055,121830,134416,147840,162129,177310, 193410,210456,228475,247494] |