login

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

A146640 as a simple table

na(n)
11
21
31
41
51
61
75
817
943
1075
11161
12539
132129
148565
1542667
16183445
171039641
185959305
1943560487
20311334093
212752013037

[1,1,1,1,1,1,5,17,43,75,161,539,2129,8565,42667,
 183445,1039641,5959305,43560487,311334093,
 2752013037]