login

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

A074072 as a simple table

na(n)
00
11
23
3105
413515
51771476585
63804217000364127435
7140350834813144189858090274002849666665
823879457134773177491341539034414728352082211931046871698790017205810876429515

[0,1,3,105,13515,1771476585,3804217000364127435,
 140350834813144189858090274002849666665,
 23879457134773177491341539034414728352082211931046\
 871698790017205810876429515]