Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 12 |
4 | 31 |
5 | 78 |
6 | 208 |
7 | 551 |
8 | 1502 |
9 | 4117 |
10 | 11435 |
11 | 31926 |
12 | 89829 |
13 | 253727 |
14 | 719926 |
15 | 2048919 |
16 | 5848543 |
17 | 16732592 |
18 | 47973762 |
19 | 137788720 |
20 | 396393362 |
21 | 1141962118 |
22 | 3294080424 |
23 | 9512949813 |
24 | 27501182865 |
25 | 79579492065 |
26 | 230478715333 |
[1,2,5,12,31,78,208,551,1502,4117,11435,31926, 89829,253727,719926,2048919,5848543,16732592, 47973762,137788720,396393362,1141962118, 3294080424,9512949813,27501182865,79579492065, 230478715333] |