Search: id:A101292
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%I A101292
%S A101292 2,5,12,34,135,741,5068,40356,362925,3628855,39916866,479001678,
%T A101292 6227020891,87178291305,1307674368120,20922789888136,355687428096153,
%U A101292 6402373705728171,121645100408832190,2432902008176640210
%N A101292 a(n) = n! + sum(i=1 to n) i.
%F A101292 a(n) = n! + n(n+1)/2.
%F A101292 Sum(n!+(j+1!),j=0..n). - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), 
               Oct 20 2006
%e A101292 If n=3, 3! + (1+2+3) = 12
%e A101292 If n=5, 5! + (1+2+3+4+5) = 135
%p A101292 seq(n!+n*(n+1)/2,n=1..22); (Deutsch)
%p A101292 a:=n->sum(n!+(j+1!),j=0..n): seq(a(n), n=0..19); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), 
               Oct 20 2006
%t A101292 lst={};s=0;Do[s=s+n;AppendTo[lst, n!+s], {n, 5!}];lst [From Vladimir 
               Orlovsky (4vladimir(AT)gmail.com), Sep 07 2008]
%Y A101292 Sequence in context: A121956 A131467 A000103 this_sequence A131267 A148286 
               A075202
%Y A101292 Adjacent sequences: A101289 A101290 A101291 this_sequence A101293 A101294 
               A101295
%K A101292 base,nonn,easy
%O A101292 1,1
%A A101292 Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Dec 21 2004
%E A101292 More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Mar 12 2005

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