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A152689 Apply partial sum operator thrice to factorials. 1
1, 4, 11, 28, 79, 284, 1363, 8356, 61583, 523924, 5024179, 53479148, 624890431, 7946278828, 109195935539, 1612048228564, 25439293045903, 427278358483556, 7609502950269523, 143217213477235804, 2840152418116022399 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..21.

MATHEMATICA

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

CROSSREFS

Cf. A152687, A014144.

Sequence in context: A020964 A113067 A290890 * A217918 A000604 A153876

Adjacent sequences:  A152686 A152687 A152688 * A152690 A152691 A152692

KEYWORD

nonn

AUTHOR

Vladimir Joseph Stephan Orlovsky, Dec 10 2008

STATUS

approved

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Last modified September 22 09:45 EDT 2017. Contains 292337 sequences.