Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 10 |
4 | 34 |
5 | 80 |
6 | 254 |
7 | 604 |
8 | 1785 |
9 | 4370 |
10 | 11986 |
11 | 29286 |
12 | 80355 |
13 | 193137 |
14 | 505952 |
15 | 1239348 |
16 | 3181970 |
17 | 7686199 |
18 | 19520906 |
19 | 46931241 |
20 | 117334784 |
21 | 282021070 |
22 | 693721166 |
23 | 1659075192 |
24 | 4063164983 |
25 | 9651686516 |
26 | 23347635094 |
27 | 55405326513 |
28 | 133021397071 |
29 | 313842472333 |
30 | 749299686508 |
[1,1,4,10,34,80,254,604,1785,4370,11986,29286, 80355,193137,505952,1239348,3181970,7686199, 19520906,46931241,117334784,282021070,693721166, 1659075192,4063164983,9651686516,23347635094, 55405326513,133021397071,313842472333, 749299686508] |