n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 57 |
3 | 703 |
4 | 4033 |
5 | 15501 |
6 | 46441 |
7 | 117307 |
8 | 261633 |
9 | 530713 |
10 | 999001 |
11 | 1770231 |
12 | 2984257 |
13 | 4824613 |
14 | 7526793 |
15 | 11387251 |
16 | 16773121 |
17 | 24132657 |
18 | 34006393 |
19 | 47039023 |
20 | 63992001 |
21 | 85756861 |
22 | 113369257 |
23 | 148023723 |
24 | 191089153 |
25 | 244125001 |
26 | 308898201 |
[1,1,57,703,4033,15501,46441,117307,261633,530713, 999001,1770231,2984257,4824613,7526793,11387251, 16773121,24132657,34006393,47039023,63992001, 85756861,113369257,148023723,191089153,244125001, 308898201] |