n | a(n) |
---|---|
0 | 1 |
1 | 15 |
2 | 75 |
3 | 245 |
4 | 630 |
5 | 1386 |
6 | 2730 |
7 | 4950 |
8 | 8415 |
9 | 13585 |
10 | 21021 |
11 | 31395 |
12 | 45500 |
13 | 64260 |
14 | 88740 |
15 | 120156 |
16 | 159885 |
17 | 209475 |
18 | 270655 |
19 | 345345 |
20 | 435666 |
21 | 543950 |
22 | 672750 |
23 | 824850 |
24 | 1003275 |
25 | 1211301 |
26 | 1452465 |
27 | 1730575 |
28 | 2049720 |
29 | 2414280 |
30 | 2828936 |
31 | 3298680 |
32 | 3828825 |
33 | 4425015 |
34 | 5093235 |
[1,15,75,245,630,1386,2730,4950,8415,13585,21021, 31395,45500,64260,88740,120156,159885,209475, 270655,345345,435666,543950,672750,824850,1003275, 1211301,1452465,1730575,2049720,2414280,2828936, 3298680,3828825,4425015,5093235] |