Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 10 |
4 | 32 |
5 | 107 |
6 | 359 |
7 | 1234 |
8 | 4274 |
9 | 15032 |
10 | 53242 |
11 | 190588 |
12 | 686272 |
13 | 2490399 |
14 | 9081375 |
15 | 33312770 |
16 | 122692130 |
17 | 453999656 |
18 | 1685601038 |
19 | 6282014804 |
20 | 23478897364 |
21 | 88026769844 |
22 | 330831420218 |
23 | 1246635155180 |
24 | 4707414286652 |
25 | 17815452662152 |
26 | 67546709440004 |
27 | 256595322436760 |
[1,3,10,32,107,359,1234,4274,15032,53242,190588, 686272,2490399,9081375,33312770,122692130, 453999656,1685601038,6282014804,23478897364, 88026769844,330831420218,1246635155180, 4707414286652,17815452662152,67546709440004, 256595322436760] |