Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 11 |
3 | 36 |
4 | 119 |
5 | 408 |
6 | 1419 |
7 | 4988 |
8 | 17631 |
9 | 62528 |
10 | 222163 |
11 | 790180 |
12 | 2812135 |
13 | 10011304 |
14 | 35647259 |
15 | 126942540 |
16 | 452078447 |
17 | 1610033040 |
18 | 5734081251 |
19 | 20421960308 |
20 | 72733344375 |
21 | 259042555640 |
22 | 922591559467 |
23 | 3285854197276 |
24 | 11702734525951 |
25 | 41679889602784 |
26 | 148445093121011 |
27 | 528694969090116 |
[1,4,11,36,119,408,1419,4988,17631,62528,222163, 790180,2812135,10011304,35647259,126942540, 452078447,1610033040,5734081251,20421960308, 72733344375,259042555640,922591559467, 3285854197276,11702734525951,41679889602784, 148445093121011,528694969090116] |