n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 241 |
3 | 6481 |
4 | 65281 |
5 | 390001 |
6 | 1678321 |
7 | 5762401 |
8 | 16773121 |
9 | 43040161 |
10 | 99990001 |
11 | 214344241 |
12 | 429960961 |
13 | 815702161 |
14 | 1475750641 |
15 | 2562840001 |
16 | 4294901761 |
17 | 6975673921 |
18 | 11019855601 |
19 | 16983432721 |
20 | 25599840001 |
21 | 37822664881 |
22 | 54875639281 |
23 | 78310705441 |
24 | 110074982401 |
[1,1,241,6481,65281,390001,1678321,5762401, 16773121,43040161,99990001,214344241,429960961, 815702161,1475750641,2562840001,4294901761, 6975673921,11019855601,16983432721,25599840001, 37822664881,54875639281,78310705441,110074982401] |