Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 10 |
3 | 37 |
4 | 143 |
5 | 478 |
6 | 1588 |
7 | 4910 |
8 | 14748 |
9 | 42235 |
10 | 116910 |
11 | 311478 |
12 | 803343 |
13 | 2004434 |
14 | 4853669 |
15 | 11414943 |
16 | 26127222 |
17 | 58267164 |
18 | 126811068 |
19 | 269647980 |
20 | 560935635 |
21 | 1142812869 |
22 | 2282784640 |
23 | 4475122564 |
24 | 8618047164 |
25 | 16317369805 |
26 | 30400944921 |
27 | 55776101043 |
28 | 100842883244 |
[1,2,10,37,143,478,1588,4910,14748,42235,116910, 311478,803343,2004434,4853669,11414943,26127222, 58267164,126811068,269647980,560935635,1142812869, 2282784640,4475122564,8618047164,16317369805, 30400944921,55776101043,100842883244] |