# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a144768 Showing 1-1 of 1 %I A144768 #17 Sep 08 2022 08:45:38 %S A144768 1,0,-510,-19677,-262120,-1953005,-10076976,-40348567,-134177408, %T A144768 -387057609,-996371200,-2318030891,-4680778752,-4377478573, %U A144768 66517244416,1269231008625,20854070411264,355568840219503,6402175346437632,121644777721134221,2432901496176640000,51090941377429393419 %N A144768 a(n) = n! - n^9. %H A144768 Vincenzo Librandi, Table of n, a(n) for n = 0..400 %t A144768 lst={};k=9;Do[a=n!-n^k;AppendTo[lst,a],{n,k,29}];lst %t A144768 Table[n!-n^9,{n,0,30}] (* _Harvey P. Dale_, Sep 18 2020 *) %o A144768 (PARI) a(n)=n!-n^9 \\ _Charles R Greathouse IV_, Oct 05 2011 %o A144768 (Magma) [Factorial(n)-n^9: n in [0..20]]; // _Vincenzo Librandi_, Oct 06 2011 %K A144768 sign,easy %O A144768 0,3 %A A144768 _Vladimir Joseph Stephan Orlovsky_, Sep 20 2008 %E A144768 Corrected offset from 9 to 0 and extended by _Vincenzo Librandi_, Oct 06 2011 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE