login

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

A058928 as a simple table

na(n)
01
12
28
348
4128
53840
646080
714336
810321920
9185794560
106553600
1181749606400
1278479622144
13209924915200
141428329123020800
1542849873690624000
16170993385472000
177611536747003904
181678343852714360832000
19747740921331712000
202551082656125828464640000

[1,2,8,48,128,3840,46080,14336,10321920,185794560,
 6553600,81749606400,78479622144,209924915200,
 1428329123020800,42849873690624000,
 170993385472000,7611536747003904,
 1678343852714360832000,747740921331712000,
 2551082656125828464640000]