n | a(n) |
---|---|
9 | 9 |
10 | 90 |
11 | 605 |
12 | 3432 |
13 | 17745 |
14 | 86632 |
15 | 406980 |
16 | 1860480 |
17 | 8335338 |
18 | 36773397 |
19 | 160286166 |
20 | 691906090 |
21 | 2963163525 |
22 | 12606797973 |
23 | 53339223410 |
24 | 224614532520 |
25 | 942028278750 |
26 | 3936923432325 |
27 | 16402410574875 |
28 | 68151368796840 |
29 | 282481941399420 |
30 | 1168338215983320 |
31 | 4822856224887175 |
[9,90,605,3432,17745,86632,406980,1860480,8335338, 36773397,160286166,691906090,2963163525, 12606797973,53339223410,224614532520,942028278750, 3936923432325,16402410574875,68151368796840, 282481941399420,1168338215983320,4822856224887175] |