Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 4 |
2 | 18 |
3 | 104 |
4 | 687 |
5 | 5064 |
6 | 40934 |
7 | 358083 |
8 | 3346832 |
9 | 33123000 |
10 | 345219919 |
11 | 3777134694 |
12 | 43291666298 |
13 | 518855171115 |
14 | 6491738816768 |
15 | 84656365477452 |
16 | 1148895613585775 |
17 | 16201725990730392 |
18 | 237030534528945348 |
19 | 3591398122456079285 |
20 | 56254812062478841340 |
21 | 909319044063443870702 |
[4,18,104,687,5064,40934,358083,3346832,33123000, 345219919,3777134694,43291666298,518855171115, 6491738816768,84656365477452,1148895613585775, 16201725990730392,237030534528945348, 3591398122456079285,56254812062478841340, 909319044063443870702] |