Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 10 |
2 | 42 |
3 | 156 |
4 | 570 |
5 | 2096 |
6 | 7784 |
7 | 29168 |
8 | 110106 |
9 | 418128 |
10 | 1595616 |
11 | 6113740 |
12 | 23505352 |
13 | 90633796 |
14 | 350351636 |
15 | 1357278296 |
16 | 5268292826 |
17 | 20483876816 |
18 | 79765662896 |
19 | 311038321436 |
20 | 1214362277696 |
21 | 4746455801876 |
22 | 18570960418916 |
[1,10,42,156,570,2096,7784,29168,110106,418128, 1595616,6113740,23505352,90633796,350351636, 1357278296,5268292826,20483876816,79765662896, 311038321436,1214362277696,4746455801876, 18570960418916] |