login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A071758 as a simple table

na(n)
12
26
3-30
4-105
5-2310
6-6860
76922
8-6955
9-7021
10-192857
11-201094
12-220036
13-679269
14-736738
15-762102
16-2538828
17-2621491
18-3325700
19-6146329
20-9601104
21-9659740
22-10027087
23-10355141
24-220990748

[2,6,-30,-105,-2310,-6860,6922,-6955,-7021,
 -192857,-201094,-220036,-679269,-736738,-762102,
 -2538828,-2621491,-3325700,-6146329,-9601104,
 -9659740,-10027087,-10355141,-220990748]