n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 19 |
4 | 54 |
5 | 165 |
6 | 467 |
7 | 1317 |
8 | 3599 |
9 | 9687 |
10 | 25519 |
11 | 66203 |
12 | 169254 |
13 | 426750 |
14 | 1062950 |
15 | 2616818 |
16 | 6373911 |
17 | 15369774 |
18 | 36716706 |
19 | 86939235 |
20 | 204152395 |
21 | 475631501 |
22 | 1099874363 |
23 | 2525418842 |
24 | 5759549109 |
25 | 13050991205 |
26 | 29391523405 |
27 | 65801951770 |
28 | 146486952644 |
29 | 324340095729 |
30 | 714389015139 |
[1,1,5,19,54,165,467,1317,3599,9687,25519,66203, 169254,426750,1062950,2616818,6373911,15369774, 36716706,86939235,204152395,475631501,1099874363, 2525418842,5759549109,13050991205,29391523405, 65801951770,146486952644,324340095729, 714389015139] |