n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 15 |
3 | 67 |
4 | 336 |
5 | 1767 |
6 | 9873 |
7 | 58221 |
8 | 360930 |
9 | 2345469 |
10 | 15926115 |
11 | 112702725 |
12 | 829218143 |
13 | 6329731749 |
14 | 50032666719 |
15 | 408810685879 |
16 | 3447546750090 |
17 | 29963861568735 |
18 | 268051909321565 |
19 | 2465213070499965 |
20 | 23282355990573738 |
21 | 225577403162464915 |
22 | 2240023319131286013 |
23 | 22778185448591006709 |
24 | 236997065442660095669 |
25 | 2521130509681288754841 |
26 | 27401150807636634911205 |
27 | 304071227823781106763523 |
28 | 3443058535424619400592874 |
[1,3,15,67,336,1767,9873,58221,360930,2345469, 15926115,112702725,829218143,6329731749, 50032666719,408810685879,3447546750090, 29963861568735,268051909321565,2465213070499965, 23282355990573738,225577403162464915, 2240023319131286013,22778185448591006709, 236997065442660095669,2521130509681288754841, 27401150807636634911205,304071227823781106763523, 3443058535424619400592874] |