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 | 9 |
4 | 34 |
5 | 103 |
6 | 385 |
7 | 1315 |
8 | 5064 |
9 | 18333 |
10 | 72135 |
11 | 271673 |
12 | 1085490 |
13 | 4201685 |
14 | 16998626 |
15 | 67093063 |
16 | 274107736 |
17 | 1098361379 |
18 | 4522963271 |
19 | 18339291269 |
20 | 76016200380 |
21 | 311165747469 |
22 | 1296898322962 |
23 | 5350452734537 |
24 | 22404993004950 |
25 | 93038032837111 |
26 | 391181787324211 |
27 | 1633395949674339 |
28 | 6892085905698460 |
[1,1,4,9,34,103,385,1315,5064,18333,72135,271673, 1085490,4201685,16998626,67093063,274107736, 1098361379,4522963271,18339291269,76016200380, 311165747469,1296898322962,5350452734537, 22404993004950,93038032837111,391181787324211, 1633395949674339,6892085905698460] |