n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 73 |
3 | 757 |
4 | 4161 |
5 | 15751 |
6 | 46873 |
7 | 117993 |
8 | 262657 |
9 | 532171 |
10 | 1001001 |
11 | 1772893 |
12 | 2987713 |
13 | 4829007 |
14 | 7532281 |
15 | 11394001 |
16 | 16781313 |
17 | 24142483 |
18 | 34018057 |
19 | 47052741 |
20 | 64008001 |
21 | 85775383 |
22 | 113390553 |
23 | 148048057 |
24 | 191116801 |
25 | 244156251 |
26 | 308933353 |
[1,3,73,757,4161,15751,46873,117993,262657,532171, 1001001,1772893,2987713,4829007,7532281,11394001, 16781313,24142483,34018057,47052741,64008001, 85775383,113390553,148048057,191116801,244156251, 308933353] |