n | a(n) |
---|---|
1 | 4 |
2 | 44 |
3 | 319 |
4 | 2204 |
5 | 15124 |
6 | 103679 |
7 | 710644 |
8 | 4870844 |
9 | 33385279 |
10 | 228826124 |
11 | 1568397604 |
12 | 10749957119 |
13 | 73681302244 |
14 | 505019158604 |
15 | 3461452807999 |
16 | 23725150497404 |
17 | 162614600673844 |
18 | 1114577054219519 |
19 | 7639424778862804 |
20 | 52361396397820124 |
21 | 358890350005878079 |
[4,44,319,2204,15124,103679,710644,4870844, 33385279,228826124,1568397604,10749957119, 73681302244,505019158604,3461452807999, 23725150497404,162614600673844,1114577054219519, 7639424778862804,52361396397820124, 358890350005878079] |