n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 13 |
4 | 69 |
5 | 417 |
6 | 2763 |
7 | 19609 |
8 | 146793 |
9 | 1146833 |
10 | 9278595 |
11 | 77292261 |
12 | 659973933 |
13 | 5756169681 |
14 | 51137399979 |
15 | 461691066417 |
16 | 4228199347281 |
17 | 39216540096993 |
18 | 367890444302787 |
19 | 3486697883136957 |
20 | 33353178454762389 |
21 | 321754445379041601 |
22 | 3127955713554766923 |
23 | 30624486778208481993 |
24 | 301790556354721667769 |
25 | 2991957347531210976817 |
[1,1,3,13,69,417,2763,19609,146793,1146833, 9278595,77292261,659973933,5756169681,51137399979, 461691066417,4228199347281,39216540096993, 367890444302787,3486697883136957, 33353178454762389,321754445379041601, 3127955713554766923,30624486778208481993, 301790556354721667769,2991957347531210976817] |