n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 3 |
5 | 11 |
6 | 31 |
7 | 71 |
8 | 145 |
9 | 289 |
10 | 601 |
11 | 1321 |
12 | 2979 |
13 | 6683 |
14 | 14743 |
15 | 32111 |
16 | 69697 |
17 | 151777 |
18 | 332113 |
19 | 728689 |
20 | 1598883 |
21 | 3503627 |
22 | 7668079 |
23 | 16774775 |
24 | 36704017 |
25 | 80343361 |
26 | 175916521 |
27 | 385196761 |
28 | 843365379 |
29 | 1846290395 |
30 | 4041672871 |
31 | 8847607391 |
[1,1,1,1,3,11,31,71,145,289,601,1321,2979,6683, 14743,32111,69697,151777,332113,728689,1598883, 3503627,7668079,16774775,36704017,80343361, 175916521,385196761,843365379,1846290395, 4041672871,8847607391] |