Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 15 |
3 | 36 |
4 | 93 |
5 | 258 |
6 | 747 |
7 | 2208 |
8 | 6585 |
9 | 19710 |
10 | 59079 |
11 | 177180 |
12 | 531477 |
13 | 1594362 |
14 | 4783011 |
15 | 14348952 |
16 | 43046769 |
17 | 129140214 |
18 | 387420543 |
19 | 1162261524 |
20 | 3486784461 |
21 | 10460353266 |
22 | 31381059675 |
23 | 94143178896 |
24 | 282429536553 |
25 | 847288609518 |
26 | 2541865828407 |
27 | 7625597485068 |
28 | 22876792455045 |
[1,6,15,36,93,258,747,2208,6585,19710,59079, 177180,531477,1594362,4783011,14348952,43046769, 129140214,387420543,1162261524,3486784461, 10460353266,31381059675,94143178896,282429536553, 847288609518,2541865828407,7625597485068, 22876792455045] |