n | a(n) |
---|---|
3 | 26 |
4 | 164 |
5 | 1224 |
6 | 7664 |
7 | 51488 |
8 | 326456 |
9 | 2126376 |
10 | 13574046 |
11 | 87554326 |
12 | 560845908 |
13 | 3607790136 |
14 | 23158545126 |
15 | 148945375022 |
16 | 957564479960 |
17 | 6162874994108 |
18 | 39672627184498 |
19 | 255578754020002 |
20 | 1647166273816172 |
21 | 10622076015026288 |
22 | 68529892093271816 |
23 | 442357250742603624 |
[26,164,1224,7664,51488,326456,2126376,13574046, 87554326,560845908,3607790136,23158545126, 148945375022,957564479960,6162874994108, 39672627184498,255578754020002,1647166273816172, 10622076015026288,68529892093271816, 442357250742603624] |