login

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

A301769 as a simple table

na(n)
10
20
31
431
5616
69837
7138414
81799895
922232908
10265311073

[0,0,1,31,616,9837,138414,1799895,22232908,
 265311073]