Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
%I #5 Mar 30 2012 18:35:34
%S 3,21,126,630,2520,7560,15120,15120
%N Number of strings of n distinct digits from 1-9 that are the last n digits of a square in base 9.
%K nonn,base,fini,full
%O 1,1
%A _David W. Wilson_