Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 4 |
3 | 19 |
4 | 70 |
5 | 456 |
6 | 2530 |
7 | 12343 |
8 | 66653 |
9 | 372429 |
10 | 1910822 |
11 | 10162059 |
12 | 55583124 |
13 | 291195073 |
14 | 1550518247 |
15 | 8363883923 |
16 | 44269140576 |
17 | 235940940726 |
18 | 1264437357202 |
19 | 6723179849519 |
20 | 35846240541026 |
21 | 191571690239220 |
22 | 1020536749613565 |
23 | 5442225134864810 |
24 | 29051213879574079 |
[1,0,4,19,70,456,2530,12343,66653,372429,1910822, 10162059,55583124,291195073,1550518247,8363883923, 44269140576,235940940726,1264437357202, 6723179849519,35846240541026,191571690239220, 1020536749613565,5442225134864810, 29051213879574079] |