n | a(n) |
---|---|
1 | 0 |
2 | 2 |
3 | 3 |
4 | 5 |
5 | 17 |
6 | 37 |
7 | 101 |
8 | 0 |
9 | 401 |
10 | 3137 |
11 | 4357 |
12 | 62501 |
13 | 21317 |
14 | 16901 |
15 | 1008017 |
16 | 15877 |
17 | 1020101 |
18 | 33857 |
19 | 69697 |
20 | 14401 |
21 | 331777 |
22 | 78401 |
23 | 32401 |
24 | 57601 |
25 | 828101 |
[0,2,3,5,17,37,101,0,401,3137,4357,62501,21317, 16901,1008017,15877,1020101,33857,69697,14401, 331777,78401,32401,57601,828101] |