Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
4 | 0 |
5 | 1 |
6 | 4 |
7 | 17 |
8 | 56 |
9 | 187 |
10 | 586 |
11 | 1827 |
12 | 5562 |
13 | 16811 |
14 | 50225 |
15 | 149135 |
16 | 439818 |
17 | 1290975 |
18 | 3772259 |
19 | 10983684 |
20 | 31878940 |
21 | 92278466 |
22 | 266481212 |
23 | 767972142 |
24 | 2209210615 |
25 | 6345086203 |
[0,1,4,17,56,187,586,1827,5562,16811,50225,149135, 439818,1290975,3772259,10983684,31878940,92278466, 266481212,767972142,2209210615,6345086203] |