# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a068099 Showing 1-1 of 1 %I A068099 #6 Apr 09 2014 10:13:40 %S A068099 1,1,3,12,108,2712,327240,235617840,1187514095040,47880568312738560, %T A068099 17374900629326652478080,63050039403700556512496620800 %N A068099 a(1) = 1; a(n+1) = n! sum{k|n} a(k)/k where sum is over positive divisors k of n. %K A068099 nonn %O A068099 1,3 %A A068099 _Leroy Quet_, Mar 22 2002 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE