n | a(n) |
---|---|
2 | 50 |
3 | 224 |
4 | 1058 |
5 | 5054 |
6 | 24200 |
7 | 115934 |
8 | 555458 |
9 | 2661344 |
10 | 12751250 |
11 | 61094894 |
12 | 292723208 |
13 | 1402521134 |
14 | 6719882450 |
15 | 32196891104 |
16 | 154264573058 |
17 | 739125974174 |
18 | 3541365297800 |
19 | 16967700514814 |
20 | 81297137276258 |
21 | 389517985866464 |
22 | 1866292792056050 |
23 | 8941945974413774 |
24 | 42843437080012808 |
25 | 205275239425650254 |
[50,224,1058,5054,24200,115934,555458,2661344, 12751250,61094894,292723208,1402521134,6719882450, 32196891104,154264573058,739125974174, 3541365297800,16967700514814,81297137276258, 389517985866464,1866292792056050,8941945974413774, 42843437080012808,205275239425650254] |