Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 3 |
5 | 8 |
6 | 26 |
7 | 89 |
8 | 324 |
9 | 1225 |
10 | 4786 |
11 | 19170 |
12 | 78408 |
13 | 326275 |
14 | 1377772 |
15 | 5891401 |
16 | 25467509 |
17 | 111144579 |
18 | 489145720 |
19 | 2168854885 |
20 | 9681072845 |
21 | 43473716527 |
22 | 196286934526 |
23 | 890640262188 |
24 | 4059500301390 |
25 | 18579693200838 |
26 | 85360357637580 |
27 | 393548515741979 |
28 | 1820335724153452 |
29 | 8445294476235727 |
30 | 39291407672079211 |
[1,1,1,1,3,8,26,89,324,1225,4786,19170,78408, 326275,1377772,5891401,25467509,111144579, 489145720,2168854885,9681072845,43473716527, 196286934526,890640262188,4059500301390, 18579693200838,85360357637580,393548515741979, 1820335724153452,8445294476235727, 39291407672079211] |