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A152689 Apply partial sum operator thrice to factorials. 1

%I

%S 1,4,11,28,79,284,1363,8356,61583,523924,5024179,53479148,624890431,

%T 7946278828,109195935539,1612048228564,25439293045903,427278358483556,

%U 7609502950269523,143217213477235804,2840152418116022399

%N Apply partial sum operator thrice to factorials.

%t lst={};s0=s1=s2=0;Do[s0+=a[n];s1+=s0;s2+=s1;AppendTo[lst,s2],{n,0,2*4!}];lst

%Y Cf. A152687, A014144.

%K nonn

%O 1,2

%A _Vladimir Joseph Stephan Orlovsky_, Dec 10 2008

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Last modified October 17 10:50 EDT 2017. Contains 293469 sequences.