login

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

A027793 as a simple table

na(n)
556
6588
73360
813860
946200
10132132
11336336
12780780
131681680
143403400
156534528
1611992344
1721162960
1836085560
1959690400
2096101544
21151016712
22232178100
23349949600
24518017500
25754233480
261081620540
271529564400
282135214900
292945124000
304017149136
315422652928

[56,588,3360,13860,46200,132132,336336,780780,
 1681680,3403400,6534528,11992344,21162960,
 36085560,59690400,96101544,151016712,232178100,
 349949600,518017500,754233480,1081620540,
 1529564400,2135214900,2945124000,4017149136,
 5422652928]