Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
9 | 1 |
10 | 4 |
11 | 70 |
12 | 280 |
13 | 2919 |
14 | 11676 |
15 | 94944 |
16 | 379776 |
17 | 2669361 |
18 | 10677444 |
19 | 68321994 |
20 | 273287976 |
21 | 1640345707 |
22 | 6561382828 |
23 | 37643205652 |
24 | 150572822608 |
25 | 836008721925 |
26 | 3344034887700 |
27 | 18122573826942 |
28 | 72490295307768 |
29 | 385781480224959 |
30 | 1543125920899836 |
31 | 8099850233307144 |
[1,4,70,280,2919,11676,94944,379776,2669361, 10677444,68321994,273287976,1640345707,6561382828, 37643205652,150572822608,836008721925, 3344034887700,18122573826942,72490295307768, 385781480224959,1543125920899836,8099850233307144] |