n | a(n) |
---|---|
1 | 4 |
2 | 9 |
3 | 23 |
4 | 49 |
5 | 175 |
6 | 321 |
7 | 1189 |
8 | 3025 |
9 | 12111 |
10 | 28492 |
11 | 113409 |
12 | 251513 |
13 | 1068440 |
14 | 2629980 |
15 | 11690210 |
16 | 28498852 |
17 | 128871588 |
18 | 298890814 |
19 | 1309837146 |
[4,9,23,49,175,321,1189,3025,12111,28492,113409, 251513,1068440,2629980,11690210,28498852, 128871588,298890814,1309837146] |