n | a(n) |
---|---|
1 | 1 |
2 | 13 |
3 | 22 |
4 | 124 |
5 | 409 |
6 | 1921 |
7 | 8908 |
8 | 41933 |
9 | 204016 |
10 | 988083 |
11 | 4818956 |
12 | 23520912 |
13 | 114859013 |
14 | 561215577 |
15 | 2742234243 |
16 | 13400786521 |
17 | 65488989956 |
18 | 320045756818 |
19 | 1564085835402 |
20 | 7643812356261 |
21 | 37356003891307 |
22 | 182562316287946 |
[1,13,22,124,409,1921,8908,41933,204016,988083, 4818956,23520912,114859013,561215577,2742234243, 13400786521,65488989956,320045756818, 1564085835402,7643812356261,37356003891307, 182562316287946] |