n | a(n) |
---|---|
0 | 1 |
1 | 15 |
2 | 113 |
3 | 575 |
4 | 2171 |
5 | 6581 |
6 | 16955 |
7 | 38613 |
8 | 79885 |
9 | 153091 |
10 | 275661 |
11 | 471395 |
12 | 771863 |
13 | 1217945 |
14 | 1861511 |
15 | 2767241 |
16 | 4014585 |
17 | 5699863 |
18 | 7938505 |
19 | 10867431 |
20 | 14647571 |
21 | 19466525 |
22 | 25541363 |
23 | 33121565 |
24 | 42492101 |
25 | 53976651 |
[1,15,113,575,2171,6581,16955,38613,79885,153091, 275661,471395,771863,1217945,1861511,2767241, 4014585,5699863,7938505,10867431,14647571, 19466525,25541363,33121565,42492101,53976651] |