Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 10 |
3 | 76 |
4 | 540 |
5 | 3751 |
6 | 25840 |
7 | 177451 |
8 | 1217160 |
9 | 8344876 |
10 | 57202750 |
11 | 392089501 |
12 | 2687463360 |
13 | 18420257701 |
14 | 126254611990 |
15 | 865362736876 |
16 | 5931286406640 |
17 | 40653646980451 |
18 | 278644255208560 |
19 | 1909856172864751 |
20 | 13090349042248500 |
[0,1,10,76,540,3751,25840,177451,1217160,8344876, 57202750,392089501,2687463360,18420257701, 126254611990,865362736876,5931286406640, 40653646980451,278644255208560,1909856172864751, 13090349042248500] |